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Yang L, Smith RJP, Scolding NJ, Rice CM. IgG4-related disease in the nervous system. Pract Neurol 2024:practneurol-2020-002863. [PMID: 39266448 DOI: 10.1136/pn-2020-002863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2024] [Indexed: 09/14/2024]
Abstract
IgG4-related disease (IgG4-RD) is a recently described multisystemic disorder with a spectrum of manifestations that continue to be described. Nonetheless, there are recognised distinct patterns of disease. Neurological involvement is rare, particularly in isolation, but IgG4-RD may present with orbital disease, hypophysitis or pachymeningitis. Typically, it is highly responsive to treatment. This review highlights neurological manifestations of IgG4-RD and emphasises the importance of a high index of clinical suspicion to facilitate investigation and appropriate management, avoiding irreversible tissue damage and neurological dysfunction. We present a treatment algorithm for suggested management of IgG4-RD affecting the nervous system.
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Affiliation(s)
- Lu Yang
- Department of Neurology, Southmead Hospital, North Bristol NHS Trust, Bristol, UK
- Clinical Neurosciences, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - R J Paul Smith
- Department of Neuroradiology, Southmead Hospital, North Bristol NHS Trust, Bristol, UK
| | - Neil J Scolding
- Clinical Neurosciences, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- Department of Neurology, Gloucester Royal Hospital, Gloucester, UK
| | - Claire M Rice
- Department of Neurology, Southmead Hospital, North Bristol NHS Trust, Bristol, UK
- Clinical Neurosciences, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
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2
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Zhang W, Xiao L, Zhou G, Zhu H, Bi Y, Du J, Zhang D. Secondary adrenocortical insufficiency after treatment with retifanlimab: a case report. Front Immunol 2024; 15:1371527. [PMID: 38915406 PMCID: PMC11194307 DOI: 10.3389/fimmu.2024.1371527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 05/21/2024] [Indexed: 06/26/2024] Open
Abstract
With advancements in medical oncology, immune checkpoint inhibitors (ICIs) have become the first-line treatment for many malignancies. ICIs play a significant role in improving cancer prognosis, but a series of immune-related adverse events (irAEs), including immune-related endocrine events (irEEs), caused by ICIs have also aroused concerns. Rapid clinical identification of irAEs caused by ICIs is particularly important. We describe a case of secondary adrenocortical insufficiency (AI) after PD-1 treatment in a postoperative patient with endometrial cancer. A 73-year-old female patient developed anorexia, nausea, vomiting, malaise, electrolyte disturbances, ineffective symptomatic treatment, and decreased serum adrenocorticotropin and cortisol levels six months after retifanlimab treatment. The vomiting resolved, and the electrolyte levels were corrected after 3 days of treatment with glucocorticoids (hydrocortisone, intravenous, 200 mg/day). When patients present with gastrointestinal symptoms, such as poor appetite and nausea, not only symptomatic treatment but also a search for the etiology behind the symptoms is needed, especially in immunotherapy patients who should undergo a thorough evaluation of the endocrine system and be alert for adrenocortical insufficiency.
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Affiliation(s)
- Wenjing Zhang
- Department of Endocrinology, Air Force Medical Center, Air Force Medical University, Beijing, China
- China Medical University, Shenyang, China
| | - Li Xiao
- Department of Endocrinology, Air Force Medical Center, Air Force Medical University, Beijing, China
| | - Guangxin Zhou
- Department of Endocrinology, Air Force Medical Center, Air Force Medical University, Beijing, China
| | - Huijuan Zhu
- Department of Endocrinology, Air Force Medical Center, Air Force Medical University, Beijing, China
| | - Yongmin Bi
- Department of Nuclear Medicine, Air Force Medical Center, Air Force Medical University, Beijing, China
| | - Junjie Du
- Department of Orthopedics, Air Force Medical Center, Air Force Medical University, Beijing, China
| | - Da Zhang
- Department of Endocrinology, Air Force Medical Center, Air Force Medical University, Beijing, China
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Reddy YM, Parida S, Pidaparthi L, Jaiswal SK, Tourani V, Osman S, Kumar BS, Murthy JMK. IgG4-Related Neurological Disease: A Single Center Ambispective Study from South India. Neurol India 2024; 72:117-123. [PMID: 38443012 DOI: 10.4103/ni.neurol-india-d-23-00016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 07/31/2023] [Indexed: 03/07/2024]
Abstract
IgG4-related disease (IgG4-RD) is an immune-mediated multi-system disorder. The nervous system (IgG4-RND) is rarely affected. We describe a short case series. We performed an ambispective analysis of IgG4-RND patients admitted at our centre between January 2016 and December 2022. Eight patients (M: F-2:6) were included with a mean age at presentation of 40.63 ± 17.88 years and disease duration of 5.16 ± 4.08 years. The common diseased sites were pachymeninges (7), orbits (4), paranasal sinuses (3), frontal lobe (1), hypophysis (1), leptomeninges (1), and middle ear (1). Common symptoms were headache and cranial neuropathy. The common nerves involved were the optic nerve, followed by the third, fifth, sixth, and seventh. Cerebrospinal fluid showed lymphocytic pleocytosis. Histopathology showed lymphoplasmacytic infiltrate (8), fibrosis (5), >10 IgG4 + cells (7), and IgG4/IgG >40% (6). Six had a relapsing course. The rituximab-based treatment regimen showed a favourable response.
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Affiliation(s)
- Y Muralidhar Reddy
- Department of Neurology, CARE Hospital, Banjara Hills, Hyderabad, Telangana, India
| | - Subhendu Parida
- Department of Neuroradiology, CARE Hospital, Banjara Hills, Hyderabad, Telangana, India
| | - Lalitha Pidaparthi
- Department of Neurology, CARE Hospital, Banjara Hills, Hyderabad, Telangana, India
| | - Shyam Kumar Jaiswal
- Department of Neurology, CARE Hospital, Banjara Hills, Hyderabad, Telangana, India
| | - Vijaya Tourani
- Department of Pathology, CARE Hospital, Banjara Hills, Hyderabad, Telangana, India
| | - Syed Osman
- Department of Neurology, CARE Hospital, Banjara Hills, Hyderabad, Telangana, India
| | - B Santosh Kumar
- Department of Neurology, CARE Hospital, Banjara Hills, Hyderabad, Telangana, India
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Kurokawa R, Kurokawa M, Baba A, Nakaya M, Kato S, Bapuraj J, Nakata Y, Ota Y, Srinivasan A, Abe O, Moritani T. Neuroimaging of hypophysitis: etiologies and imaging mimics. Jpn J Radiol 2023; 41:911-927. [PMID: 37010787 PMCID: PMC10468747 DOI: 10.1007/s11604-023-01417-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 03/24/2023] [Indexed: 04/04/2023]
Abstract
Hypophysitis is an inflammatory disease affecting the pituitary gland. Hypophysitis can be classified into multiple types depending on the mechanisms (primary or secondary), histology (lymphocytic, granulomatous, xanthomatous, plasmacytic/IgG4 related, necrotizing, or mixed), and anatomy (adenohypophysitis, infundibulo-neurohypophysitis, or panhypophysitis). An appropriate diagnosis is vital for managing these potentially life-threatening conditions. However, physiological morphological alterations, remnants, and neoplastic and non-neoplastic lesions may masquerade as hypophysitis, both clinically and radiologically. Neuroimaging, as well as imaging findings of other sites of the body, plays a pivotal role in diagnosis. In this article, we will review the types of hypophysitis and summarize clinical and imaging features of both hypophysitis and its mimickers.
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Affiliation(s)
- Ryo Kurokawa
- Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, Ann Arbor, MI, 48109, USA.
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.
| | - Mariko Kurokawa
- Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, Ann Arbor, MI, 48109, USA
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Akira Baba
- Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, Ann Arbor, MI, 48109, USA
| | - Moto Nakaya
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Shimpei Kato
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Jayapalli Bapuraj
- Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, Ann Arbor, MI, 48109, USA
| | - Yasuhiro Nakata
- Department Or Neuroradiology, Tokyo Metropolitan Neurological Hospital, 2-6-1 Musashidai, Fuchu, Tokyo, 183-0042, Japan
| | - Yoshiaki Ota
- Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, Ann Arbor, MI, 48109, USA
| | - Ashok Srinivasan
- Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, Ann Arbor, MI, 48109, USA
| | - Osamu Abe
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Toshio Moritani
- Division of Neuroradiology, Department of Radiology, University of Michigan, 1500 E Medical Center Dr, Ann Arbor, MI, 48109, USA
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Menotti S, Giampietro A, Raia S, Veleno M, Angelini F, Tartaglione T, Gaudino S, Doglietto F, De Marinis L, Pontecorvi A, Bianchi A, Chiloiro S. Unveiling the Etiopathogenic Spectrum of Hypophysitis: A Narrative Review. J Pers Med 2023; 13:1210. [PMID: 37623461 PMCID: PMC10455260 DOI: 10.3390/jpm13081210] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/26/2023] Open
Abstract
Hypophysitis, a rare inflammatory disorder of the pituitary gland, has seen an uptick in reported cases in recent years. Our objective is to summarize the most recent research on the etiopathogenesis, molecular mechanisms, and genetics of both primary and secondary hypophysitis. Primary autoimmune hypophysitis (PAH): During the acute phase of the disease, the pituitary gland in enlarged due to the infiltration of T and B lymphocytes. The chronic phase is characterized by progressive and irreversible pituitary atrophy. APA may play a role in the management, diagnosis, and prognosis of PAH. Specific autoantibodies such as anti-GH, anti-PIT-1, and anti-T-PIT have been found in patients with hypophysitis and hypopituitarism. A recent study suggested that a mechanism of escaping clonal deletion and mounting an immune response against self antigens can explain the unusual nature of the immune response observed in PAH patients. A cytokine array shows the presence of gamma-interferon and interleukin-17. Patients carrying mutations in the PIT1 or PROP1 genes may present PAH. Individuals carrying the HLA DQ8 haplotype are four times more likely to develop PAH. Immune checkpoint inhibitors induce hypophysitis (IIHs): IIHs is an increasingly frequent toxicity of in patients on treatment with inhibitors targeting cytotoxic T-lymphocyte antigen 4 (CTLA-4) and programmed cell death-1 (PD-1). ICIs inhibit the CTLA-4 pathway, leading to overactivation of T lymphocytes. The binding of PD-1/PD-L1 suppresses the activity of T cells, promotes the conversion of T-helpers into T-regulatory cells, and activates pro-survival signaling pathways in cancer cells. Cytokines play a crucial role in IIHs. B-cell infiltration has been observed in IIHs, suggesting that antibody-mediated pituitary injury may contribute. Genetic polymorphisms of CTLA-4 and PD-1 genes can increase the risk of IIHs. HLA alleles may also be involved in the onset of IIHs; this HLA association presents a possible alternative mechanistic hypothesis. IIHs may also be linked to a paraneoplastic syndrome triggered by ectopic expression of pituitary specific antigens. SARS-CoV-2-related hypophysitis: Recently, the literature has reported occurrences of hypophysitis associated with the SARS-CoV-2 virus; long COVID-19 may also present as infundibulo-neuro-hypophysitis. The virus enters the central nervous system because of its distinct interaction with angiotensin-converting enzyme receptors via spike proteins binding the capillary endothelium, and it directly damages the pituitary cells. The effect of SARS-CoV-2 can occur indirectly through inflammation and the release of cytokines. The exact mechanism remains ambiguous. The available data on endocrine complications associated with the SARS-CoV-2 vaccine are scant. Nonetheless, isolated cases of hypophysitis have been documented. Treatment of hypophysitis: Glucocorticoids are the cornerstone in managing primary hypophysitis, given their targeted action on inflammation. A better understanding of the etiopathogenesis and molecular mechanism of hypophysitis can lead to more effective and personalized treatment strategies.
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Affiliation(s)
- Sara Menotti
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Antonella Giampietro
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Salvatore Raia
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Miriam Veleno
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Flavia Angelini
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Tommaso Tartaglione
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
- Department of Radiodiagnostic, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Simona Gaudino
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
- Department of Radiodiagnostic, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Francesco Doglietto
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
- Department of Neurosurgery, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy
| | - Laura De Marinis
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Alfredo Pontecorvi
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Antonio Bianchi
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
| | - Sabrina Chiloiro
- Pituitary Unit, Department of Endocrinology and Metabolism, Fondazione Policlinico Universitario A. Gemelli, IRCCS, 00168 Rome, Italy; (S.M.); (A.G.); (S.R.); (M.V.); (F.A.); (L.D.M.); (A.P.); (S.C.)
- Department of Translational Medicine and Surgery, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (T.T.); (S.G.); (F.D.)
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Tahara S, Osamura RY, Hattori Y, Ishisaka E, Inomoto C, Sugihara H, Teramoto A, Morita A. Concurrent IgG4-related hypophysitis and clinically nonfunctioning gonadotroph pituitary neuroendocrine tumor. BMC Endocr Disord 2023; 23:96. [PMID: 37143052 PMCID: PMC10158217 DOI: 10.1186/s12902-023-01353-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 04/25/2023] [Indexed: 05/06/2023] Open
Abstract
BACKGROUND Some patients develop immunoglobulin G4 (IgG4)-related hypophysitis associated with systemic diseases. More than 30 cases of IgG4-related hypophysitis have been reported. However, biopsy has rarely been performed in these patients, and none have had an associated pituitary neuroendocrine tumor (PitNET). We present a case of concurrent IgG4-related hypophysitis and PitNET. CASE PRESENTATION A 56-year-old Japanese man arrived at the hospital with visual impairment, bitemporal hemianopia, and right abducens nerve palsy. Magnetic resonance imaging revealed pituitary body and stalk swelling as well as a small poorly enhanced right anterior lobe mass. Laboratory and loading test results suggested hypopituitarism. Because IgG4 level was elevated, a systemic examination was performed; multiple nodules were found in both lung fields. The diagnosis was based on an endoscopic transnasal biopsy of the pituitary gland. A histopathological examination revealed a marked infiltration of plasma cells into the pituitary gland, which was strongly positive for IgG4. The histological features of the resected tumor were consistent with those of gonadotroph PitNET, which was immunohistochemically positive for follicle-stimulating hormone-β and steroidogenic factor-1, and no plasma cell infiltration was observed. Based on the histopathological examination results, steroid therapy was initiated, which reduced pituitary gland size and serum IgG4 levels. DISCUSSION AND CONCLUSIONS This is the first reported case of IgG4-related hypophysitis with PitNET. Although no pathological findings indicating a relationship between the two conditions were found, we were able to preoperatively differentiate multiple lesions via detailed diagnostic imaging.
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Affiliation(s)
- Shigeyuki Tahara
- Department of Neurological Surgery, Graduate School of Medicine, Nippon Medical School, 1-1-5Bunkyo-Ku, SendagiTokyo, 113-8603, Japan.
| | | | - Yujiro Hattori
- Department of Neurological Surgery, Graduate School of Medicine, Nippon Medical School, 1-1-5Bunkyo-Ku, SendagiTokyo, 113-8603, Japan
- Department of Anatomy and Neurobiology, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
| | - Eitaro Ishisaka
- Department of Neurological Surgery, Graduate School of Medicine, Nippon Medical School, 1-1-5Bunkyo-Ku, SendagiTokyo, 113-8603, Japan
| | - Chie Inomoto
- Department of Pathology, Tokai University School of Medicine, Kanagawa, Japan
| | - Hitoshi Sugihara
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Nippon Medical School, Tokyo, Japan
| | | | - Akio Morita
- Department of Neurological Surgery, Graduate School of Medicine, Nippon Medical School, 1-1-5Bunkyo-Ku, SendagiTokyo, 113-8603, Japan
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Iglesias P, Biagetti B, Guerrero-Pérez F, Vicente A, Cordido F, Díez JJ. Executive summary of the consensus document on hypophysitis of the Neuroendocrinology Area of Knowledge of the Spanish Society of Endocrinology and Nutrition. ENDOCRINOL DIAB NUTR 2023; 70 Suppl 1:116-125. [PMID: 36894450 DOI: 10.1016/j.endien.2023.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 01/14/2023] [Indexed: 03/09/2023]
Abstract
The term hypophysitis is used to designate a heterogeneous group of pituitary conditions characterized by the presence of inflammatory infiltration of the adenohypophysis, neurohypophysis, or both. Although hypophysitis are rare disorders, the most common in clinical practice is lymphocytic hypophysitis, a primary hypophysitis characterized by lymphocytic infiltration, which predominantly affects women. Other forms of primary hypophysitis are associated with different autoimmune diseases. Hypophysitis can also be secondary to other disorders such as sellar and parasellar diseases, systemic diseases, paraneoplastic syndromes, infections, and drugs, including immune checkpoint inhibitors. The diagnostic evaluation should always include pituitary function tests and other analytical tests based on the suspected diagnosis. Pituitary magnetic resonance imaging is the investigation of choice for the morphological assessment of hypophysitis. Glucocorticoids are the mainstay of treatment for most symptomatic hypophysitis.
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Affiliation(s)
- Pedro Iglesias
- Servicio de Endocrinología y Nutrición, Hospital Universitario Puerta de Hierro Majadahonda, Instituto de Investigación Sanitaria Puerta de Hierro - Segovia de Arana (IDIPHISA), Majadahonda, Madrid, Spain; Departamento de Medicina, Universidad Autónoma de Madrid, Madrid, Spain.
| | - Betina Biagetti
- Servicio de Endocrinología y Nutrición, Hospital Universitari Vall d'Hebron, Barcelona, Spain
| | - Fernando Guerrero-Pérez
- Servicio de Endocrinología y Nutrición, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Almudena Vicente
- Servicio de Endocrinología y Nutrición, Hospital Universitario de Toledo, Toledo, Spain
| | - Fernando Cordido
- Servicio de Endocrinología y Nutrición, Complexo Hospitalario Universitario de A Coruña, Universidad de A Coruña, A Coruña, Spain
| | - Juan J Díez
- Servicio de Endocrinología y Nutrición, Hospital Universitario Puerta de Hierro Majadahonda, Instituto de Investigación Sanitaria Puerta de Hierro - Segovia de Arana (IDIPHISA), Majadahonda, Madrid, Spain; Departamento de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
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Iglesias P, Biagetti B, Guerrero-Pérez F, Vicente A, Cordido F, Díez JJ. Resumen ejecutivo del documento de consenso sobre hipofisitis del Área de Conocimiento de Neuroendocrinología de la Sociedad Española de Endocrinología y Nutrición. ENDOCRINOL DIAB NUTR 2023. [DOI: 10.1016/j.endinu.2023.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Iwamoto Y, Mori S, Tatsumi F, Sugisaki T, Dan K, Katakura Y, Kimura T, Shimoda M, Nakanishi S, Mune T, Kaneto H. Central Diabetes Insipidus Due to IgG4-related Hypophysitis That Required over One Year to Reach the Final Diagnosis Due to Symptoms Being Masked by Sialadenitis. Intern Med 2022; 61:3541-3545. [PMID: 35569983 PMCID: PMC9790782 DOI: 10.2169/internalmedicine.9365-22] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Pituitary inflammation due to IgG4-related disease is a rare condition and is sometimes accompanied by central diabetes insipidus. Central diabetes insipidus produces a strong thirst sensation, which may be difficult to distinguish when complicated by salivary insufficiency. A 45-year-old man was admitted to our department for a thorough examination of his thirst and polyuria. He had suddenly developed these symptoms more than one year earlier and visited an oral surgeon. Swelling of the left submandibular gland, right parotid gland, and cervical lymph nodes had been observed. Since his IgG4 level was relatively high at 792 mg/dL and a lip biopsy showed high plasmacytoid infiltration around the gland ducts, he had been diagnosed with IgG4-related disease. He had started taking 0.4 mg/kg/day of prednisolone, and his chief complaint temporarily improved. However, since the symptom recurred, he was referred to our institution. After admission, to examine the cause of his thirst and polyuria, we performed a water restriction test, vasopressin loading test, hypertonic saline loading test and pituitary magnetic resonance imaging. Based on the findings, we diagnosed him with central diabetes insipidus due to IgG4-related hypophysitis. We increased the dose of prednisolone to 0.6 mg/kg/day and started 10 μg/day of intranasal desmopressin. His symptoms were subsequently alleviated, and his serum IgG4 level finally normalized. We should remember that IgG4-related disease can be accompanied by hypophysitis and that central diabetes insipidus is brought about by IgG4-related hypophysitis. This case report should remind physicians of the fact that pituitary inflammation due to IgG4-related disease is very rare and can be masked by symptoms due to salivary gland inflammation, which can lead to pitfalls in the diagnosis in clinical practice.
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Affiliation(s)
- Yuichiro Iwamoto
- Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Japan
| | - Shigehito Mori
- Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Japan
| | - Fuminori Tatsumi
- Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Japan
| | - Toshitomo Sugisaki
- Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Japan
| | - Kazunori Dan
- Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Japan
| | - Yukino Katakura
- Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Japan
| | - Tomohiko Kimura
- Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Japan
| | - Masashi Shimoda
- Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Japan
| | - Shuhei Nakanishi
- Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Japan
| | - Tomoatsu Mune
- Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Japan
| | - Hideaki Kaneto
- Division of Diabetes, Endocrinology and Metabolism, Kawasaki Medical School, Japan
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Yan R, Jin YB, Li XR, Luo L, Liu XM, He J. Clinical characteristics of rheumatic disease-associated hypophysitis: A case series and review of literature. Medicine (Baltimore) 2022; 101:e31338. [PMID: 36316923 PMCID: PMC9622606 DOI: 10.1097/md.0000000000031338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Rheumatic diseases have been reported to sometimes involve the pituitary gland. This study aims to characterize the clinical features and outcomes of patients with rheumatic disease-associated hypophysitis. We used the electronic medical record system in our hospital to identify nine patients with pituitary involvement in rheumatoid disease. We summarized the clinical characteristics, radiographic findings, treatments, and clinical outcomes of the 9 patients. We also performed a systematic literature review of systemic lupus erythematosus (SLE) cases with pituitary involvement published in PubMed and Wanfang databases from 1995 to 2021, and eight patients with complete information were selected. In the nine-patient cohort, the median age was 54 years, and the spectrum of rheumatic diseases included immunoglobulin G4-related disease (IgG4RD) (4/9), SLE (2/9), vasculitis (2/9), and Sjögren syndrome (SS) (1/9). All patients had pituitary abnormalities on radiological assessment, 6 developed diabetes insipidus (DI), and 8 presented with anterior pituitary hormone deficiencies in the disease duration. All the patients had multisystem involvement. As compared to hypophysitis with IgG4RD (IgG4-H), the age at onset of hypophysitis with SLE (SLE-H) patients was younger [(30.4 ± 16.4) years vs. (56.0 ± 0.8) years] and the disease duration was shorter [(14.0 ± 17.5) months vs. (71.0 ± 60.9) months] (P < .05). All patients were managed with glucocorticoids (GC) in combination with another immunosuppressant, and the majority of patients improved within 4 months. Six patients achieved disease remission while four required at least one hormone replacement therapy. Hypophysitis is a rare complication secondary to a variety of various rheumatic diseases that can occur at any stage. GC combined with additional immunosuppressants could improve patients' symptoms; however some patients also required long-term hormone replacement therapy in pituitary disorders.
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Affiliation(s)
- Rui Yan
- Department of Rheumatology and Immunology, Beijing Shunyi Hospital, Beijing, China
| | - Yue-Bo Jin
- Department of Rheumatology and Immunology, Beijing Key Laboratory for Rheumatism and Immune Diagnosis, Peking University People’s Hospital, Beijing, China
| | - Xue-Rong Li
- Department of Rheumatology and Immunology, Chongqing University Three Gorges Hospital, Chongqing, China
| | - Liang Luo
- Department of Chinese Medical, Chongqing Yubei People’s Hospital, Chongqing, China
| | - Xiao-Min Liu
- Department of Rheumatology and Immunology, Beijing Shunyi Hospital, Beijing, China
| | - Jing He
- Department of Rheumatology and Immunology, Beijing Key Laboratory for Rheumatism and Immune Diagnosis, Peking University People’s Hospital, Beijing, China
- * Correspondence: Jing He, Department of Rheumatology and Immunology, Peking University People’s Hospital, No. 11. Xizhimen South Street, Beijing 100044, China (e-mail: )
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11
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Barnabei A, Strigari L, Corsello A, Paragliola RM, Falzone L, Salvatori R, Corsello SM, Torino F. Immune Checkpoint Inhibitor-Induced Central Diabetes Insipidus: Looking for the Needle in the Haystack or a Very Rare Side-Effect to Promptly Diagnose? Front Oncol 2022; 12:798517. [PMID: 35311088 PMCID: PMC8927719 DOI: 10.3389/fonc.2022.798517] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 02/09/2022] [Indexed: 12/26/2022] Open
Abstract
Immune checkpoint inhibitors have improved the survival in patients affected by an increasing number of malignancies, but they may also trigger various autoimmune side-effects, including endocrinopathies. Very rarely, immune checkpoint inhibitors have been reported to cause central diabetes insipidus. However, with their expanding use, the likelihood that oncologists will face this endocrine adverse event is expected to increase. By reviewing the limited literature on central diabetes insipidus induced by immune checkpoint inhibitors, some inconsistencies emerge in the diagnosis and the management of patients presenting with this toxicity, together with difficulties related to classifying its severity. Until now, specific guidelines on the management of central diabetes insipidus induced by immune checkpoint inhibitors are lacking. In clinical practice, endocrinological consultation may relieve medical oncologists from difficulties in treating this side-effect; oncologists, however, remain responsible for its early diagnose and the management of the causative drugs. To this aim, some practical suggestions are advised for the multidisciplinary management of cancer patients presenting with central diabetes insipidus induced by immune checkpoint inhibitors.
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Affiliation(s)
- Agnese Barnabei
- Endocrinology Unit, Presidio Ospedaliero Santo (P. O. S.) Spirito in Sassia, Azienda Sanitaria Locale (ASL) Roma 1, Rome, Italy
| | - Lidia Strigari
- Medical Physics Department, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Andrea Corsello
- Department of Translational Medicine and Surgery, Unit of Endocrinology, Università Cattolica del Sacro Cuore-Fondazione Policlinico “Gemelli” Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Rosa Maria Paragliola
- Department of Translational Medicine and Surgery, Unit of Endocrinology, Università Cattolica del Sacro Cuore-Fondazione Policlinico “Gemelli” Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Luca Falzone
- Epidemiology Unit, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Istituto Nazionale Tumori “Fondazione G. Pascale”, Naples, Italy
| | - Roberto Salvatori
- Division of Endocrinology, Diabetes, and Metabolism and Pituitary Center, Johns Hopkins School of Medicine, Baltimore, MD, United States
| | - Salvatore Maria Corsello
- Department of Translational Medicine and Surgery, Unit of Endocrinology, Università Cattolica del Sacro Cuore-Fondazione Policlinico “Gemelli” Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
- UniCamillus Chair of Endocrinology, Saint Camillus International University of Health Sciences, Rome, Italy
| | - Francesco Torino
- Department of Systems Medicine, Medical Oncology, Tor Vergata University of Rome, Rome, Italy
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12
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Chen K, Yao Y, Mao X, You H, Wang L, Duan L, Deng K, Zhang W, Lian X, Zhu H. Sellar germinoma mimicking IgG4-related hypophysitis: a case report. BMC Endocr Disord 2022; 22:23. [PMID: 35033046 PMCID: PMC8760830 DOI: 10.1186/s12902-021-00930-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 12/30/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The differential diagnosis of IgG4-related hypophysitis and other inflammatory diseases or tumors involving sellar region is challenging even after sellar biopsy. Sellar germinoma is usually infiltrated by lymphocytes or plasma cells, and may be confused with hypophysitis. CASE PRESENTATION A 36-year-old man with diabetes insipidus, elevated serum IgG4 level (336 mg/dl), and sellar mass was suspected to have IgG4-related hypophysitis, and no other lesion of IgG4-related disease was detected. After treated by prednisone and mycophenolate mofetil, the serum IgG4 decreased to 214 mg/dl. However, after withdrawal of the drugs, the IgG4 level increased to 308 mg/dl. Endocrine assessments revealed panhypopituitarism, and the sellar mass enlarged. Transsphenoidal sellar exploration and biopsy was conducted. Pathological examination showed that the lesion was germinoma with lymphocytes and plasma cells infiltration, and IgG4-staining was positive (70/HPF, IgG4/IgG ratio = 10%). The patient was then treated by cisplatin and etoposide. After four cycles of chemotherapy, the serum IgG4 was 201 mg/dl, and the sellar mass was invisible. CONCLUSION Sellar germinoma can mimic the clinical characteristics of IgG4-related hypophysitis. Poor response to glucocorticoids can be used as an exclusion criterion in the clinical diagnosis of IgG4-related hypophysitis.
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Affiliation(s)
- Kang Chen
- Department of Endocrinology, Key Laboratory of Endocrinology of National Health Commission, Translation Medicine Centre, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuaifuyuan, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - Yong Yao
- Department of Neurosurgery, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Xinxin Mao
- Department of Pathology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Hui You
- Department of Radiology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Linjie Wang
- Department of Endocrinology, Key Laboratory of Endocrinology of National Health Commission, Translation Medicine Centre, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuaifuyuan, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - Lian Duan
- Department of Endocrinology, Key Laboratory of Endocrinology of National Health Commission, Translation Medicine Centre, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuaifuyuan, Wangfujing Street, Dongcheng District, Beijing, 100730, China
| | - Kan Deng
- Department of Neurosurgery, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Wen Zhang
- Department of Rheumatology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Xin Lian
- Department of Radiation Oncology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Huijuan Zhu
- Department of Endocrinology, Key Laboratory of Endocrinology of National Health Commission, Translation Medicine Centre, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuaifuyuan, Wangfujing Street, Dongcheng District, Beijing, 100730, China.
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13
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Update on classification, diagnosis, and management of immunoglobulin G4-related disease. Chin Med J (Engl) 2022; 135:381-392. [PMID: 34985023 PMCID: PMC8869566 DOI: 10.1097/cm9.0000000000001891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Immunoglobulin G4-related disease (IgG4-RD) is a newly recognized chronic fibro-inflammatory autoimmune disease, and its recognition has been constantly increasing worldwide over the last few years. A correct and timely recognition, as well as appropriate intervention, is crucial for the treatment of IgG4-RD. For certain subtypes of IgG4-RD, organ-specific criteria are formulated to make the diagnosis more accurate. New biomarkers have emerged in the recent years to aid the disease diagnosis, its prognosis prediction, as well as therapy response monitoring. Although recurrence is very common in IgG4-RD, glucocorticoid is still the first-line treatment for the majority of patients. The factors that affect the likelihood of disease relapse are multifaceted. The selection strategy of various steroid-sparing agents is still being explored. Besides, when patients have special sites involvement leading to severe clinical conditions, surgical operation or interventional therapy should also be considered. An update on classification, diagnosis, and management of IgG4-RD is provided in the current study to fully elucidate the recommended clinical practice of this mysterious disease.
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14
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Langlois F, Varlamov EV, Fleseriu M. Hypophysitis, the Growing Spectrum of a Rare Pituitary Disease. J Clin Endocrinol Metab 2022; 107:10-28. [PMID: 34528683 PMCID: PMC8684465 DOI: 10.1210/clinem/dgab672] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Indexed: 01/13/2023]
Abstract
Hypophysitis is defined as inflammation of the pituitary gland that is primary or secondary to a local or systemic process. Differential diagnosis is broad (including primary tumors, metastases, and lympho-proliferative diseases) and multifaceted. Patients with hypophysitis typically present with headaches, some degree of anterior and/or posterior pituitary dysfunction, and enlargement of pituitary gland and/or stalk, as determined by imaging. Most hypophysitis causes are autoimmune, but other etiologies include inflammation secondary to sellar tumors or cysts, systemic diseases, and infection or drug-induced causes. Novel pathologies such as immunoglobulin G4-related hypophysitis, immunotherapy-induced hypophysitis, and paraneoplastic pituitary-directed autoimmunity are also included in a growing spectrum of this rare pituitary disease. Typical magnetic resonance imaging reveals stalk thickening and homogenous enlargement of the pituitary gland; however, imaging is not always specific. Diagnosis can be challenging, and ultimately, only a pituitary biopsy can confirm hypophysitis type and rule out other etiologies. A presumptive diagnosis can be made often without biopsy. Detailed history and clinical examination are essential, notably for signs of underlying etiology with systemic manifestations. Hormone replacement and, in selected cases, careful observation is advised with imaging follow-up. High-dose glucocorticoids are initiated mainly to help reduce mass effect. A response may be observed in all auto-immune etiologies, as well as in lymphoproliferative diseases, and, as such, should not be used for differential diagnosis. Surgery may be necessary in some cases to relieve mass effect and allow a definite diagnosis. Immunosuppressive therapy and radiation are sometimes also necessary in resistant cases.
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Affiliation(s)
- Fabienne Langlois
- Department of Medicine, Division of Endocrinology, Centre intégré universitaire de santé et de services sociaux de l’Estrie - Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, Quebec, Canada
| | - Elena V Varlamov
- Departments of Medicine (Division of Endocrinology, Diabetes and Clinical Nutrition) and Neurological Surgery, and Pituitary Center, Oregon Health & Science University, Portland, Oregon, USA
| | - Maria Fleseriu
- Departments of Medicine (Division of Endocrinology, Diabetes and Clinical Nutrition) and Neurological Surgery, and Pituitary Center, Oregon Health & Science University, Portland, Oregon, USA
- Correspondence: Maria Fleseriu, MD, Oregon Health & Science University, Mail Code CH8N, 3303 S Bond Ave, Portland, Oregon 97239, USA.
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15
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Barnabei A, Strigari L, Corsello A, Paragliola RM, Iannantuono GM, Salvatori R, Corsello SM, Torino F. Grading Central Diabetes Insipidus Induced by Immune Checkpoint Inhibitors: A Challenging Task. Front Endocrinol (Lausanne) 2022; 13:840971. [PMID: 35388297 PMCID: PMC8978963 DOI: 10.3389/fendo.2022.840971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 02/08/2022] [Indexed: 12/26/2022] Open
Abstract
Central diabetes insipidus (CDI) is a rare endocrine disease deriving from an insufficient production or secretion of anti-diuretic hormone. Recently, CDI has been reported as a rare side effect triggered by immune checkpoint inhibitors (ICI) in cancer patients. Despite its current rarity, CDI triggered by ICI is expected to affect an increasing number of patients because of the expanding use of these effective drugs in a growing number of solid and hematologic malignancies. An appropriate assessment of the severity of adverse events induced by anticancer agents is crucial in their management, including dosing adjustment and temporary withdrawal or discontinuation treatment. However, assessment of the severity of CDI induced by ICI may be challenging, as its main signs and symptoms (polyuria, dehydration, weight loss, and hypernatremia) can be incompletely graded. Indeed, the current grading system of toxicity induced by anticancer treatments does not include polyuria. Additionally, dehydration in patients affected by diabetes insipidus, including ICI-induced CDI, is different in certain aspects from that due to other conditions seen in cancer patients, such as vomiting and diarrhea. This prompted us to reflect on the need to grade polyuria, and how to grade it, and to consider a specific grading system for dehydration associated with CDI induced by ICI. Here we propose a new grading system for polyuria and dehydration, as critical symptoms of the CDI syndrome occurring in patients on ICI treatment, to obtain better management of both the adverse event and the triggering drugs.
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Affiliation(s)
- Agnese Barnabei
- Endocrinology Unit, Presidio Ospedaliero Santo Spirito in Sassia, Azienda Sanitaria Locale Roma 1, Rome, Italy
| | - Lidia Strigari
- Medical Physics Department, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Andrea Corsello
- Department of Translational Medicine and Surgery, Unit of Endocrinology, Università Cattolica del Sacro Cuore-Fondazione Policlinico “Gemelli” Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Rosa Maria Paragliola
- Department of Translational Medicine and Surgery, Unit of Endocrinology, Università Cattolica del Sacro Cuore-Fondazione Policlinico “Gemelli” Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | | | - Roberto Salvatori
- Division of Endocrinology, Diabetes, and Metabolism and Pituitary Center, Johns Hopkins School of Medicine, Baltimore, MD, United States
| | - Salvatore Maria Corsello
- Department of Translational Medicine and Surgery, Unit of Endocrinology, Università Cattolica del Sacro Cuore-Fondazione Policlinico “Gemelli” Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
- UniCamillus Chair of Endocrinology, Saint Camillus International University of Health Sciences, Rome, Italy
| | - Francesco Torino
- Department of Systems Medicine, Medical Oncology, Tor Vergata University of Rome, Rome, Italy
- *Correspondence: Francesco Torino,
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16
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de Vries F, van Furth WR, Biermasz NR, Pereira AM. Hypophysitis: A comprehensive overview. Presse Med 2021; 50:104076. [PMID: 34687912 DOI: 10.1016/j.lpm.2021.104076] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/27/2021] [Accepted: 10/12/2021] [Indexed: 10/20/2022] Open
Abstract
Hypophysitis is defined as inflammation of the pituitary gland. It is a heterogeneous condition as it can originate from different parts of the pituitary gland, can be caused by different pathophysiological processes, and can be isolated or the manifestation of a underlying systemic disease. Hypophysitis usually presents with endocrine deficiencies, including diabetes insipidus, with varying patterns. A subset of patients presents with mass effects. The last decades major progress has been made in the understanding of this disease. New forms are now recognized, new diagnostics are being developed, and specific treatments are proposed. This review provides an overview of the current knowledge on hypophysitis using an aetiology-based approach and provides the clinician with a stepwise approach to the patient with (suspected) hypophysitis.
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Affiliation(s)
- F de Vries
- Department of Neurosurgery and Center for Endocrine Tumors Leiden (CETL), Leiden University Medical Center, Leiden, the Netherlands; Department of Medicine, Division of Endocrinology and Center for Endocrine Tumors Leiden (CETL), Leiden University Medical Center, Leiden, the Netherlands
| | - W R van Furth
- Department of Neurosurgery and Center for Endocrine Tumors Leiden (CETL), Leiden University Medical Center, Leiden, the Netherlands
| | - N R Biermasz
- Department of Medicine, Division of Endocrinology and Center for Endocrine Tumors Leiden (CETL), Leiden University Medical Center, Leiden, the Netherlands
| | - A M Pereira
- Department of Medicine, Division of Endocrinology and Center for Endocrine Tumors Leiden (CETL), Leiden University Medical Center, Leiden, the Netherlands
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17
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Kimura T, Umino S, Kitamura M, Yatsuga S. Increased Serum-Immunoglobulin G4 Levels in a 12-Year-Old Male Patient With Central Diabetes Insipidus. Cureus 2021; 13:e17362. [PMID: 34567902 PMCID: PMC8454289 DOI: 10.7759/cureus.17362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/22/2021] [Indexed: 11/24/2022] Open
Abstract
Immunoglobulin G4 (IgG4)-related disorders are characterized by tissue hypertrophy due to IgG4-positive cell infiltration and increased serum IgG4 levels. IgG4-related hypophysitis (IgG4-RH) is characterized by pituitary hypertrophy, IgG4-positive cell infiltration, central diabetes insipidus, and increased serum IgG4 levels. IgG4-RH is diagnosed through diagnostic criteria. A few cases of IgG4-RH in children have been reported. We report a case of CDI with increased serum IgG4 levels that failed to meet the diagnostic criteria of IgG4-RH. The patient developed polyuria and polydipsia at age 11 and was diagnosed as having idiopathic CDI at age 12. The patient was not treated with steroids and is well controlled with antidiuretic hormones. It has been reported that pediatric IgG4-RH differs from that of adults in several respects. We believe that the pediatric IgG4-RH may not fit the diagnostic criteria of adults. There may be also other cases of increased serum IgG4 levels in pediatric patients with idiopathic CDI. We do not know if they are subtypes of IgG4-RH or if serum IgG4 levels are by chance raised in CDI, however, we report them here because IgG4-RH in children may be different from that in adults.
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Affiliation(s)
- Takuro Kimura
- Department of Pediatrics and Child Health, Kurume University School of Medicine, Kurume, JPN.,Department of Neonatology, St. Mary's Hospital, Kurume, JPN
| | - Satoko Umino
- Department of Pediatrics and Child Health, Kurume University School of Medicine, Kurume, JPN
| | - Miyuki Kitamura
- Department of Pediatrics and Child Health, Kurume University School of Medicine, Kurume, JPN
| | - Shuichi Yatsuga
- Department of Pediatrics, Aso Iizuka Hospital, Iizuka City, JPN.,Department of Pediatrics and Child Health, Kurume University School of Medicine, Kurume, JPN
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18
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Frasca F, Piticchio T, Le Moli R, Malaguarnera R, Campennì A, Cannavò S, Ruggeri RM. Recent insights into the pathogenesis of autoimmune hypophysitis. Expert Rev Clin Immunol 2021; 17:1175-1185. [PMID: 34464545 DOI: 10.1080/1744666x.2021.1974297] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
INTRODUCTION Hypophysitis is an inflammation of the pituitary gland and a rare case of hypopituitarism. Despite the expanding spectrum of histological variants and causative agents, its pathogenesis is far to be fully understood. The present review is focused on recent evidence concerning the pathogenesis of autoimmune hypophysitis by searching through online databases like MEDLINE and Scopus up to May 2021. AREAS COVERED Hypophysitis frequently develops in the context of a strong autoimmune background, including a wide spectrum of subtypes ranging from the commonest form of lymphocytic hypophysitis to the newly described and less common IgG4-, anti-PIT-1, and ICI-induced forms. A peculiar combination of genetic predisposition, pituitary damage and immunological setting represents the pathogenetic basis of autoimmune hypophysitis, which is characterized by diffuse infiltration of the gland by lymphocytes and variable degrees of fibrosis followed by pituitary cell destruction. Anti-pituitary antibodies (APA) have been described in sera from patients suffering from autoimmune hypophysitis, though their pathophysiological significance remains largely unknown and their diagnostic value limited. EXPERT OPINION In recent years hypophysitis has gained interest due to the increased number of new diagnoses and the recognition of novel subtypes. Further studies could lead to improvements in biochemical/immunological diagnosis and targeted treatments.
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Affiliation(s)
- Francesco Frasca
- Endocrinology Section, Department of Clinical and Experimental Medicine, Garibaldi Nesima Hospital, University of Catania, Catania, Italy
| | - Tommaso Piticchio
- Endocrinology Section, Department of Clinical and Experimental Medicine, Garibaldi Nesima Hospital, University of Catania, Catania, Italy
| | - Rosario Le Moli
- Endocrinology Section, Department of Clinical and Experimental Medicine, Garibaldi Nesima Hospital, University of Catania, Catania, Italy
| | | | - Alfredo Campennì
- Unit of Nuclear Medicine, Department of Biomedical and Dental Sciences and Morpho-Functional Imaging, University of Messina, Messina, Italy
| | - Salvatore Cannavò
- Unit of Endocrinology, University Hospital of Messina, Messina, Italy.,Department of Human Pathology DETEV, University of Messina, Messina, Italy
| | - Rosaria Maddalena Ruggeri
- Unit of Endocrinology, University Hospital of Messina, Messina, Italy.,Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
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19
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Christ-Crain M, Winzeler B, Refardt J. Diagnosis and management of diabetes insipidus for the internist: an update. J Intern Med 2021; 290:73-87. [PMID: 33713498 DOI: 10.1111/joim.13261] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 12/18/2020] [Accepted: 01/08/2021] [Indexed: 12/26/2022]
Abstract
Diabetes insipidus is a disorder characterized by excretion of large amounts of hypotonic urine. Four entities have to be differentiated: central diabetes insipidus resulting from a deficiency of the hormone arginine vasopressin (AVP) in the pituitary gland or the hypothalamus, nephrogenic diabetes insipidus resulting from resistance to AVP in the kidneys, gestational diabetes insipidus resulting from an increase in placental vasopressinase and finally primary polydipsia, which involves excessive intake of large amounts of water despite normal AVP secretion and action. Distinguishing between the different types of diabetes insipidus can be challenging. A detailed medical history, physical examination and imaging studies are needed to detect the aetiology of diabetes insipidus. Differentiation between the various forms of hypotonic polyuria is then done by the classical water deprivation test or the more recently developed hypertonic saline or arginine stimulation together with copeptin (or AVP) measurement. In patients with idiopathic central DI, a close follow-up is needed since central DI can be the first sign of an underlying pathology. Treatment of diabetes insipidus or primary polydipsia depends on the underlying aetiology and differs in central diabetes insipidus, nephrogenic diabetes insipidus and primary polydipsia. This review will discuss issues and newest developments in diagnosis, differential diagnosis and treatment, with a focus on central diabetes insipidus.
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Affiliation(s)
- M Christ-Crain
- From the, Clinic for Endocrinology, Diabetes and Metabolism, University Hospital Basel, University of Basel, Basel, Switzerland
| | - B Winzeler
- From the, Clinic for Endocrinology, Diabetes and Metabolism, University Hospital Basel, University of Basel, Basel, Switzerland
| | - J Refardt
- From the, Clinic for Endocrinology, Diabetes and Metabolism, University Hospital Basel, University of Basel, Basel, Switzerland
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20
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Nishi N, Takeshima K, Morita S, Iwakura H, Nishi M, Matsuoka T. Deterioration of pituitary function without relapse after steroid therapy for IgG4-related hypophysitis. Endocrinol Diabetes Metab Case Rep 2021; 2021:EDM210029. [PMID: 34236042 PMCID: PMC8284956 DOI: 10.1530/edm-21-0029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 06/07/2021] [Indexed: 11/08/2022] Open
Abstract
SUMMARY IgG4-related hypophysitis is an autoimmune hypophysitis associated with IgG4-related disease. Swelling of the pituitary gland is responsive to steroid therapy, but the prognosis of pituitary function after the treatment remains unclear. The present case implies that transiently improved pituitary function can re-worsen during long-term follow-up in IgG4-related hypophysitis. A 71-year-old male patient with IgG4-related hypophysitis visited a nearby hospital with malaise, anorexia, and polyuria. Pituitary dysfunction was suspected, so he was referred to our hospital for further examination. Imaging studies and laboratory data showed swelling of the pituitary gland and panhypopituitarism, which dramatically improved following steroid therapy. There was no evidence of relapsing IgG4-related disease during prednisolone tapering. Pituitary function was examined after 4 years under treatment with low-dose prednisolone; surprisingly, anterior pituitary function had worsened again. Our case suggests a need for continuous monitoring of pituitary function after steroid therapy for IgG4-related hypophysitis. This report illustrates the natural course of pituitary function in IgG4-related hypophysitis and may be informative when considering the introduction of steroid therapy. LEARNING POINTS Steroid therapy is an effective first-line therapy for pituitary dysfunction and pituitary swelling in IgG4-related hypophysitis. Pituitary function can worsen again during follow-up, despite transient improvement after steroid therapy in IgG4-related hypophysitis. Continuous monitoring of pituitary function is necessary for IgG4-related hypophysitis, regardless of disease activity.
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Affiliation(s)
- Nobuyuki Nishi
- First Department of Internal Medicine, Wakayama Medical University, Kimiidera, Wakayama City, Wakayama, Japan
| | - Ken Takeshima
- First Department of Internal Medicine, Wakayama Medical University, Kimiidera, Wakayama City, Wakayama, Japan
| | - Shuhei Morita
- First Department of Internal Medicine, Wakayama Medical University, Kimiidera, Wakayama City, Wakayama, Japan
| | - Hiroshi Iwakura
- First Department of Internal Medicine, Wakayama Medical University, Kimiidera, Wakayama City, Wakayama, Japan
| | - Masahiro Nishi
- First Department of Internal Medicine, Wakayama Medical University, Kimiidera, Wakayama City, Wakayama, Japan
- Division of Clinical Nutrition and Metabolism, Wakayama Medical University, Kimiidera, Wakayama City, Wakayama, Japan
| | - Takaaki Matsuoka
- First Department of Internal Medicine, Wakayama Medical University, Kimiidera, Wakayama City, Wakayama, Japan
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Autoimmune Hypophysitis with Late Renal Involvement: A Case Report. ENDOCRINES 2021. [DOI: 10.3390/endocrines2020016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
We report a case of a 50-year-old male admitted to the Endocrinology Unit because of persistent headaches, nausea, feeling tired, sudden weight loss, cold intolerance, decreased appetite, and lack of sex interest. Diagnostic workup showed a 6-millimeter pituitary tumor without signs of compression, and a condition of progressive panhypopituitarism. After 12 months of hormone replacement therapy, the patient was hospitalized because of sudden weight gain, periorbital-peripheral edema, severe dyslipidemia, hypertension, and proteinuria. Corticosteroid therapy was shifted from oral to continuous intravenous infusion, and once the diagnosis of “immune complex-mediated glomerulonephritis with mesangial deposits suggestive for membranoproliferative glomerulonephritis type IIIIgG4-positive” was made, the immunosuppressant mycophenolate (1500 mg/day) was started. After a 6-month follow-up, the complete resolution of renal symptoms was accompanied by the disappearance of a pituitary lesion and the patient was back to prior hormone replacement therapy. Autoimmune hypophysitis (AH) is a rare autoimmune inflammatory disease of the pituitary gland that can impair hormone secretion and function. IgG4-hypophysitis is rare and is usually associated with other IgG4-related diseases. Herein, we describe a rare case of AH associated with late renal disease, and without any other organ involvement.
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Kurosaki M, Sakamoto M, Kambe A, Ogura T. Up-To-Date Magnetic Resonance Imaging Findings for the Diagnosis of Hypothalamic and Pituitary Tumors. Yonago Acta Med 2021; 64:155-161. [PMID: 34025189 DOI: 10.33160/yam.2021.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 03/22/2021] [Indexed: 11/05/2022]
Abstract
Magnetic resonance imaging (MRI) is the preferred imaging technique for the sellar and parasellar regions. In this review article, we report our clinical experience with MRI for hypothalamic and pituitary lesions, such as pituitary adenomas, craniopharyngiomas, Rathke cleft cysts, germinoma, and hypophysitis with reference to the histopathological findings through a review of the literature. Our previous study indicated that three dimensional-spoiled gradient echo sequence is a more suitable sequence for evaluating sellar lesions on postcontrast T1 weighted image (WI). This image demonstrates the defined relationship between the tumor and its surroundings, such as the normal pituitary gland, cavernous sinus, and optic pathway. We demonstrated the characteristic MRI findings of functioning pituitary adenoma. In growth hormone-producing adenoma, signal intensity on T2WI is important to differentiate densely from sparsely granulated somatotroph adenomas. In prolactin-producing pituitary adenomas, distinct hypointense areas in early phase on T2WI, possibly owning to diffuse hemorrhage, indicate pronounced regressions of invasive macroprolactinomas during cabergoline therapy. The two histopathological subtypes, adamantinomatous and squamous papillary craniopharyngioma, differ in genesis. Calcified tumors are mostly adamantinomatous type. On MRI, these lesions have a heterogenous appearance with a solid portion and cystic components. The solid portions and cyst wall enhance heterogeneously. Although cyst fluid of Rathke cleft cysts show variable intensities on MRI, intracystic waxy nodule can be hypointense on T2WI. The enhancing cyst wall may contain the squamous metaplasia. Cystic lesions of the sellar and parasellar areas may be difficult to differentiate on a clinical, imaging, or even histopathological basis.
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Affiliation(s)
- Masamichi Kurosaki
- Division of Neurosurgery, Department of Brain and Neurosciences, School of Medicine, Faculty of Medicine, Tottori University, Yonago 683-8504, Japan
| | - Makoto Sakamoto
- Division of Neurosurgery, Department of Brain and Neurosciences, School of Medicine, Faculty of Medicine, Tottori University, Yonago 683-8504, Japan
| | - Atsushi Kambe
- Division of Neurosurgery, Department of Brain and Neurosciences, School of Medicine, Faculty of Medicine, Tottori University, Yonago 683-8504, Japan
| | - Takafumi Ogura
- Division of Neurosurgery, Department of Brain and Neurosciences, School of Medicine, Faculty of Medicine, Tottori University, Yonago 683-8504, Japan
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Abstract
Sellar region lesions include a broad range of benign and malignant neoplastic as well as non-neoplastic entities, many of which are newly described or have recently revised nomenclature. In contrast to other intracranial sites, imaging features are relatively less specific, and the need for histopathological diagnosis is of paramount importance. This review will describe pituitary adenomas, inflammatory lesions, and tumors unique to the region (craniopharyngioma) as well as tumors which may occur in but are not exclusively localized to the sellar location (schwannoma, metastasis, etc.).
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Affiliation(s)
- Katherine E Schwetye
- Department of Pathology, Saint Louis University, 1402 South Grand Boulevard, St Louis, MO 63104, USA
| | - Sonika M Dahiya
- Department of Pathology and Immunology, Washington University in St. Louis, 660 South Euclid Avenue, St Louis, MO 63110, USA.
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24
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Zhu J, Wang Z, Wang W, Fan J, Zhang Y, Li X, Liu J, Jiang S, Deng K, Duan L, Yao Y, Zhu H. Xanthomatous Hypophysitis: A Case Report and Comprehensive Literature Review. Front Endocrinol (Lausanne) 2021; 12:735655. [PMID: 34659121 PMCID: PMC8518622 DOI: 10.3389/fendo.2021.735655] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Accepted: 09/15/2021] [Indexed: 11/28/2022] Open
Abstract
PURPOSE Xanthomatous hypophysitis (XHP) is an extremely rare form of primary hypophysitis for which there is a lack of clinical experience. A comprehensive understanding of its clinical characteristics, diagnosis and treatment is needed. METHODS Here, we report a case study and conduct a systematic review of XHP. Thirty-six cases were included, and their clinical manifestations, endocrine assessment, imaging features, treatment and follow-up data were collected and analyzed. RESULTS The mean age at diagnosis was 39.1 years, and females were predominant (75.0%). The most common symptom was headache (68.6%), and 66.7% of female patients presented menstrual disorders. The most common pituitary dysfunction was growth hormone (GH) deficiency. More than half of patients exhibited central diabetes insipidus (CDI). The majority of patients had an imaging presentation of a cystic lesion with peripheral enhancement. Pituitary stalk thickening was observed in half of the patients. Total lesion resection was achieved in 57.1% of cases. The recurrence rate after partial resection and biopsy was significantly higher than that after total lesion resection (57.1% vs. 0.0%, P = 0.0147). The most common pituitary hormone abnormalities to resolve after surgery were hyperprolactinemia (100.0%) and GH deficiency (91.7%). The typical pathological feature was inflammatory infiltration of foamy histiocytes, which showed positivity for CD68. CONCLUSION Diagnosis of XHP is difficult when relying on clinical symptoms and imaging features. Therefore, surgical histopathology is necessary. Based on the available evidence, total lesion resection is recommended for treatment. However, the long-term prognosis for this rare disease remains unclear.
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Affiliation(s)
- Jianyu Zhu
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Zhicheng Wang
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Wenze Wang
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Jinghua Fan
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yi Zhang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Xiaoxu Li
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Jie Liu
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Shenzhong Jiang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Kan Deng
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Lian Duan
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Yong Yao
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
- *Correspondence: Yong Yao, ; Huijuan Zhu,
| | - Huijuan Zhu
- Key Laboratory of Endocrinology of National Health Commission, Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
- *Correspondence: Yong Yao, ; Huijuan Zhu,
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Mahajan A, Bronen RA, Mian AY, Omay SB, Spencer DD, Inzucchi SE. Diagnosis and Management of pituitary disease with focus on the role of Magnetic Resonance Imaging. Endocrine 2020; 68:489-501. [PMID: 32162185 DOI: 10.1007/s12020-020-02242-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 02/24/2020] [Indexed: 12/24/2022]
Abstract
Magnetic resonance (MR) imaging is an essential tool in the diagnosis and management of pituitary diseases, indispensable for making correct treatment decisions. Successful management and follow-up of pituitary pathology requires an understanding of the MR appearance of normal and abnormal structures in the sellar region. This review will describe the MR appearance of the normal and abnormal pituitary gland and proposes an algorithm for the management strategy of some of the most common abnormalities in or around the sella.
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Affiliation(s)
- Amit Mahajan
- Department of Radiology and Biomedical Imaging, Yale University School of Medicine, 333 Cedar St, CB-20, New Haven, CT, 06520, USA.
| | - Richard A Bronen
- Department of Radiology and Biomedical Imaging, Yale University School of Medicine, 333 Cedar St, CB-20, New Haven, CT, 06520, USA
| | - Ali Y Mian
- Mallinckrodt Institute of Radiology, St. Louis, MO, 63110, USA
| | - Sacit Bulent Omay
- Department of Neurosurgery, Yale University School of Medicine, New Haven, CT, USA
| | - Dennis D Spencer
- Department of Neurosurgery, Yale University School of Medicine, New Haven, CT, USA
| | - Silvio E Inzucchi
- Section of Endocrinology, Department of Medicine, Yale University School of Medicine, New Haven, CT, USA
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Lojou M, Bonneville JF, Ebbo M, Schleinitz N, Castinetti F. IgG4 hypophysitis: Diagnosis and management. Presse Med 2020; 49:104016. [PMID: 32234384 DOI: 10.1016/j.lpm.2020.104016] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Accepted: 02/13/2019] [Indexed: 02/06/2023] Open
Abstract
IgG4-related hypophysitis is a rare disease, due to a lymphoplasmocytic IgG4 positive infiltration of the pituitary. Literature data are scarce, even though the description of cases has drastically increased over the last years. The aim of this review is to better characterize the natural history, the diagnosis and the management of IgG4-related hypophysitis, based on a clinical case, an exhaustive Pubmed research, and a reappraisal of the criteria for diagnosis. We will specifically focus on the differences with other etiologies of hypophysitis, in the aim of improving the diagnostic procedures for all the physicians who could have to take care of such patients.
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Affiliation(s)
- M Lojou
- Inserm, U1251, CRMR HYPO, department of endocrinology, Aix-Marseille université, La Conception hospital, AP-HM, 147, boulevard Baille, Marseille, France
| | - J F Bonneville
- Departments of endocrinology and medical imaging, centre hospitalier universitaire de Liège, Liège, Belgium
| | - M Ebbo
- Département de médecine interne, Timone, Aix-Marseille université, AP-HM, 13005 Marseille, France
| | - N Schleinitz
- Département de médecine interne, Timone, Aix-Marseille université, AP-HM, 13005 Marseille, France
| | - F Castinetti
- Inserm, U1251, CRMR HYPO, department of endocrinology, Aix-Marseille université, La Conception hospital, AP-HM, 147, boulevard Baille, Marseille, France.
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Pal R, Chatterjee D, Singla R, Jain N, Bhansali A, Dutta P. Co-Occurrence of Craniopharyngioma and IgG4-Related Hypophysitis: An Epiphenomenon or a Mere Coincidence? World Neurosurg 2020; 136:193-197. [PMID: 31927125 DOI: 10.1016/j.wneu.2019.12.181] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Revised: 12/30/2019] [Accepted: 12/31/2019] [Indexed: 11/26/2022]
Abstract
BACKGROUND Craniopharyngiomas are sellar-suprasellar tumors that commonly present in children, with nonspecific symptoms of increased intracranial pressure, visual disturbances, and pituitary insufficiencies. Rarely has secondary hypophysitis (lymphocytic and xanthogranulomatous) been reported in association with craniopharyngioma. CASE DESCRIPTION We have reported the case of a 16-year-old boy who had presented with gradually progressive diminution of vision in the right eye, intermittent headache, deceleration in growth velocity, and the lack of development of secondary sexual characteristics. Imaging revealed a sellar-suprasellar cystic lesion (3.8 × 3.1 × 3.5 cm) with calcifications. Laboratory tests revealed hypothyroidism, hypocortisolism, hypogonadism, and growth hormone deficiency. Craniopharyngioma was provisionally diagnosed. He underwent pterional craniotomy and gross total excision of the lesion. The excised tissue showed features of adamantinomatous craniopharyngioma, with a dense lymphoplasmacytic infiltrate and fibrosis involving the pituitary and dura mater. The lymphocytes were CD20-positive, and the plasma cells stained positive for IgG4 (50-60 IgG4-positive plasma cells/high power field). Consequently, the possibility of IgG4-related hypophysitis was considered in our patient. His serum IgG4 level was not elevated. Systemic involvement by IgG4-related disease was thoroughly ruled out. Fluorodeoxyglucose positron emission tomography/computed tomography did not show any clinically significant hypermetabolism anywhere in the body. At the 3-month follow-up examination, his headache had resolved. However, he had not regained vision in his right eye. Repeat imaging studies showed no residual tumor tissue. CONCLUSIONS The present case might represent the first ever report, to the best of our knowledge, of secondary IgG4-related hypophysitis due to craniopharyngioma, or it might, perhaps, be a chance association of these 2 entirely different disease entities.
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Affiliation(s)
- Rimesh Pal
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Debajyoti Chatterjee
- Department of Histopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Raghav Singla
- Department of Neurosurgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Nimisha Jain
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Anil Bhansali
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Pinaki Dutta
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
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Ma W, Wang X, Nie M, Fu J, Mao J, Wu X. Two cases of immunoglobulin G4 (IgG4)-related hypophysitis diagnosed without pituitary biopsy. Ther Adv Endocrinol Metab 2020; 11:2042018820924556. [PMID: 32637064 PMCID: PMC7323263 DOI: 10.1177/2042018820924556] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 04/16/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Immunoglobulin G4-related hypophysitis (IgG4-RH) is a rare disease, diagnosis of which typically depends on histopathology following an invasive pituitary biopsy, possibly leading to permanent hypopituitarism. Herein, we report two cases of IgG4-RH with favorable responses to glucocorticoids. One of them was multiple organs involved and treated with glucocorticoids and methotrexate. METHODS We retrospectively review clinical features, radiological images, and treatment of two cases with IgG4-RH. In addition, literature on IgG4-RH was comprehensively reviewed and a new therapeutic strategy for IgG4-RH was provided. RESULTS A 45-year-old man presented with diabetes insipidus for 6 months. Pituitary magnetic resonance imaging (MRI) indicated thickening of pituitary stalk. His serum IgG4 was 13,500 mg/l and hormonal evaluation revealed isolated growth hormone deficiency. Pituitary biopsy was denied by the patient due to fears of permanent pituitary damage. Treatment with prednisone and methotrexate (MTX) for 1 week led to improvement in sellar images and reduction in IgG4 level. His IGF1 (insulin-like growth factor-1) recovered after a 4-month treatment. The second case is a 43-year-old woman presenting with diabetes insipidus and amenorrhea for 20 months. Her pituitary MRI was similar to the patient above. Her serum IgG4 level was 5980 mg/l and hormonal measurement confirmed isolated hypogonadotropic hypogonadism. After 2 weeks of prednisone, the sellar images improved. After 3 months of treatment, her pituitary MRI was normal, IgG4 level had decreased to near normal range, and menstruation resumed. Literature review found additional patients with IgG4-RH, who were treated successfully without invasive pituitary biopsy in a manner similar to our cases. Therefore, we discuss the necessity of invasive pituitary biopsy for IgG4-RH. CONCLUSION For suspected IgG4-RH with pituitary hormone deficiency, biopsy-induced hypopituitarism may be avoided by using diagnostic glucocorticoid treatment. Impaired pituitary hormone secretion may be recovered in response to steroid therapy. Improved pituitary MRI after 1-2 weeks of glucocorticoid treatment may provide diagnostic evidence of IgG4-RH.
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Affiliation(s)
- Wanlu Ma
- Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Xi Wang
- Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Min Nie
- Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Junling Fu
- Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | | | - Xueyan Wu
- Department of Endocrinology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, Beijing 100730, China
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Angelousi A, Alexandraki K, Tsoli M, Kaltsas G, Kassi E. Hypophysitis (Including IgG4 and Immunotherapy). Neuroendocrinology 2020; 110:822-835. [PMID: 32126548 DOI: 10.1159/000506903] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 03/02/2020] [Indexed: 11/19/2022]
Abstract
Hypophysitis is characterized by inflammation of the pituitary gland that can be primary (PH) or secondary (SH) to other diseases or following drug administration. It may also be classified according to anatomical and histopathological criteria, leading to variable degrees of hypopituitarism and/or compressive symptoms to nearby structures. There has recently been an increase in the number of hypophysitis cases, raising the interest on the spectrum of its pathogenesis, clinical, biochemical/endocrinological, and imaging features. However, the use of conventional biomarkers, including currently utilized pituitary autoantibodies, has relatively limited diagnostic accuracy. Lymphocytic hypophysitis (LH) is the commonest cause of PH, whereas IgG4-related hypophysitis is increasingly being recognized. Histiocytosis and granulomatous diseases are the most frequent causes of SH, although infections and lymphoma have also been reported. The increasing use of immune checkpoint inhibitors in oncology is associated with a high incidence of hypophysitis, providing further understanding of its pathogenesis. Hypophysitis can occur silently and be easily missed, potentially leading to substantial morbidity or mortality due to adrenal insufficiency, requiring a high index of clinical suspicion and timely initiation of appropriate treatment. In most cases of LH or drug-induced hypophysitis, active surveillance along with replacement of established hormonal deficiencies is needed. In the presence of compressive and/or evolving symptoms, treatment with glucocorticoids either alone or in combination with other immunosuppressive agents can be used. Surgical decompression is reserved for nonresponsive cases with threatened vital structures. Timely diagnosis and intervention are important to minimize disease-related morbidity and mortality. We aimed to review current concepts and recent developments in the pathogenesis, diagnosis, and management of hypophysitis.
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Affiliation(s)
- Anna Angelousi
- First Department of Internal Medicine, Laiko University Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece,
| | - Krystallenia Alexandraki
- First Department of Propaedeutic Internal Medicine, Laiko University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Marina Tsoli
- First Department of Propaedeutic Internal Medicine, Laiko University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Gregory Kaltsas
- First Department of Propaedeutic Internal Medicine, Laiko University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Eva Kassi
- First Department of Propaedeutic Internal Medicine, Laiko University Hospital, National and Kapodistrian University of Athens, Athens, Greece
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Gubbi S, Hannah-Shmouni F, Verbalis JG, Koch CA. Hypophysitis: An update on the novel forms, diagnosis and management of disorders of pituitary inflammation. Best Pract Res Clin Endocrinol Metab 2019; 33:101371. [PMID: 31866206 PMCID: PMC7078033 DOI: 10.1016/j.beem.2019.101371] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Hypophysitis is a heterogeneous condition that leads to inflammation of the sella and/or suprasellar region, potentially resulting in hormonal deficiencies and/or mass effects. A preponderance of hypophysitis subtypes have an underlying autoimmune aetiology. The overall incidence and prevalence of hypophysitis has dramatically increased over the past decade, mainly due to increased awareness of the condition in the medical community, improvements in imaging techniques, and a rise in the occurrence of certain forms of hypophysitis such as IgG4 hypophysitis (IgG4Hy) and immune checkpoint inhibitor induced hypophysitis (ICIHy). The clinical presentation varies from an asymptomatic condition to a fatal disease often as a result of electrolyte abnormalities due to glucocorticoid deficiency in the context of adrenal crisis from central adrenal insufficiency. Milder forms of hypophysitis are treated with replacement of deficient hormones while more acute presentations with mass effects require glucocorticoid therapy, immunosuppressive therapy or surgery. Timely diagnosis and interventions are keys to prevention of the lethal complications of this disease. In this review, we provide an update on the recent advances in the field of pituitary autoimmunity, with an emphasis on autoimmune hypophysitis and novel forms of hypophysitis such as anti-PIT1 hypophysitis, IgG4Hy and ICIHy.
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Affiliation(s)
- Sriram Gubbi
- Metabolic Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD, 20892, USA.
| | - Fady Hannah-Shmouni
- Section on Endocrinology & Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, 20892, USA.
| | - Joseph G Verbalis
- Division of Endocrinology and Metabolism, Department of Medicine, Georgetown University Medical Center, Washington, DC, 20007, USA.
| | - Christian A Koch
- The University of Tennessee Health Science Center, Memphis, TN, 38163, USA; Fox Chase Cancer Center, Philadelphia, PA, USA.
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31
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Romano A, Rigante D, Cipolla C. Autoimmune phenomena involving the pituitary gland in children: New developing data about diagnosis and treatment. Autoimmun Rev 2019; 18:102363. [PMID: 31401342 DOI: 10.1016/j.autrev.2019.102363] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Accepted: 03/30/2019] [Indexed: 11/27/2022]
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32
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Wieske L, Beuers U, Brouwer MC. Clinical Reasoning: Accumulating endocrinopathies in a car salesman. Neurology 2019; 90:e1720-e1723. [PMID: 29735778 DOI: 10.1212/wnl.0000000000005478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Luuk Wieske
- From the Departments of Neurology (L.W., M.C.B.) and Gastroenterology and Hepatology (U.B.), Academic Medical Center, University of Amsterdam; and Centre of Infection and Immunity Amsterdam (CINIMA) (M.C.B.), the Netherlands.
| | - Ulrich Beuers
- From the Departments of Neurology (L.W., M.C.B.) and Gastroenterology and Hepatology (U.B.), Academic Medical Center, University of Amsterdam; and Centre of Infection and Immunity Amsterdam (CINIMA) (M.C.B.), the Netherlands
| | - Matthijs C Brouwer
- From the Departments of Neurology (L.W., M.C.B.) and Gastroenterology and Hepatology (U.B.), Academic Medical Center, University of Amsterdam; and Centre of Infection and Immunity Amsterdam (CINIMA) (M.C.B.), the Netherlands
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Wehbeh L, Alreddawi S, Salvatori R. Hypophysitis in the era of immune checkpoint inhibitors and immunoglobulin G4-related disease. Expert Rev Endocrinol Metab 2019; 14:167-178. [PMID: 30939947 DOI: 10.1080/17446651.2019.1598260] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Accepted: 03/19/2019] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Hypophysitis is a rare disorder, defined as inflammation of the pituitary gland that may result in pituitary enlargement and varying anterior and posterior pituitary hormonal deficits. It involves different histopathological subtypes and variable etiologies, with considerable overlap between classification systems. Histopathology is the gold standard diagnostic approach. AREAS COVERED In this article, we will review the major histopathological subtypes of hypophysitis with a special focus on immunoglobulin G4 (IgG4)-related hypophysitis and immune checkpoint inhibitor-induced hypophysitis, given their recent appearance and increasing incidence. We will summarize the similarities and differences between the different subtypes as it relates to epidemiology, pathogenesis, presentation, diagnosis, and management. EXPERT OPINION Hypophysitis is a heterogeneous and wide term used to describe different, possibly distinct diseases often with poorly understood pathogenesis. It involves a wide range of subtypes with certain differences in incidence rates, pathogenesis, and management. Management usually focuses on relieving the mass effect symptoms and replacing the deficient pituitary hormones. Spontaneous recovery is possible but recurrence is not uncommon.
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Affiliation(s)
- Leen Wehbeh
- a Division of Endocrinology, Diabetes and Metabolism, and Pituitary Center , The Johns Hopkins University Hospital , Baltimore , MD , USA
| | - Sama Alreddawi
- b Medstar Health Internal Medicine Residency Program, Department of Medicine , Union Memorial Hospital , Baltimore , MD , USA
| | - Roberto Salvatori
- a Division of Endocrinology, Diabetes and Metabolism, and Pituitary Center , The Johns Hopkins University Hospital , Baltimore , MD , USA
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Joshi H, Hikmat M, Devadass AP, Oyibo SO, Sagi SV. Anterior hypopituitarism secondary to biopsy-proven IgG4-related hypophysitis in a young man. Endocrinol Diabetes Metab Case Rep 2019; 2019:EDM180137. [PMID: 30943450 PMCID: PMC6454222 DOI: 10.1530/edm-18-0137] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 03/18/2019] [Indexed: 01/13/2023] Open
Abstract
IgG4-related disease (IgG4-RD) is an immune-mediated fibro-inflammatory condition which can affect various organs including the pituitary gland. The true annual incidence of this condition remains widely unknown. In addition, it is unclear whether IgG4 antibodies are causative or the end result of a trigger. With no specific biomarkers available, the diagnosis of IgG4-related hypophysitis remains a challenge. Additionally, there is a wide differential diagnosis. We report a case of biopsy-proven IgG4-related hypophysitis in a young man with type 2 diabetes mellitus. Learning points: IgG4-related hypophysitis is part of a spectrum of IgG4-related diseases. Clinical manifestations result from anterior pituitary hormone deficiencies with or without diabetes insipidus, which can be temporary or permanent. A combination of clinical, radiological, serological and histological evidence with careful interpretation is required to make the diagnosis. Tissue biopsy remains the gold standard investigation. Disease monitoring and long-term management of this condition is a challenge as relapses occur frequently.
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Affiliation(s)
- H Joshi
- Department of Endocrinology, Peterborough City Hospital, Peterborough, UK
| | - M Hikmat
- Department of Endocrinology, Peterborough City Hospital, Peterborough, UK
| | - A P Devadass
- Department of Histopathology, Addenbrookes Hospital, Cambridge, UK
| | - S O Oyibo
- Department of Endocrinology, Peterborough City Hospital, Peterborough, UK
| | - S V Sagi
- Department of Endocrinology, Peterborough City Hospital, Peterborough, UK
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Abstract
Hypophysitis is a rare entity characterized by inflammation of the pituitary gland and its stalk that can cause hypopituitarism and/or mass effect. Etiology can be categorized as primary or secondary to systemic disease, but may also be classified according to anatomical and hispathological criteria. Newly recognized causes of hypophysits have been described, mainly secondary to immunomodulatory medications and IgG4-related disease. Diagnosis is based on clinical, laboratory and imaging data, whereas pituitary biopsy, though rarely indicated, may provide a definitive histological diagnosis. For the clinician, obtaining a broad clinical and drug history, and performing a thorough physical examination is essential. Management of hypophysitis includes hormone replacement therapy if hypopituitarism is present and control of the consequences of the inflammatory pituitary mass (e.g. compression of the optic chiasm) using high-dose glucocorticoids, whereas pituitary surgery is reserved for those unresponsive to medical therapy and/or have progressive disease. However, there remains an unmet need for controlled studies to inform clinical practice.
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Affiliation(s)
- Kevin C J Yuen
- Barrow Pituitary Center, Barrow Neurological Institute, University of Arizona College of Medicine and Creighton School of Medicine, Phoenix, Arizona, United States.
| | - Vera Popovic
- Faculty of Medicine, University of Belgrade, Dr Subotica 8, 11000, Belgrade, Serbia
| | - Peter J Trainer
- Department of Endocrinology, The Christie NHS Foundation Trust, University of Manchester, Manchester Academic Health Science Centre, Manchester, United Kingdom
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Disease heterogeneity in IgG4-related hypophysitis: report of two histopathologically proven cases and review of the literature. Virchows Arch 2019; 475:373-381. [PMID: 30911814 DOI: 10.1007/s00428-019-02564-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 03/14/2019] [Accepted: 03/17/2019] [Indexed: 12/20/2022]
Abstract
IgG4-related hypophysitis (IgG4-RH) is a rare disease, which can occur singularly or as manifestation of a systemic IgG4-related disease (IgG4-RD). Less than one hundred cases have been reported in the literature, very few of which were histopathologically documented. We analyzed the clinical, radiological, and histopathological features of two cases of IgG4-RH, the former observed in a 66-year-old man in the context of an IgG4-RD, and the latter affecting a 21-year-old woman, as an isolated lesion. In addition, we performed a comprehensive review of the previously published histopathologically documented cases of IgG4-RH. Pituitary samples from both patients showed dense lymphoplasmacytic infiltration, interstitial and storiform fibrosis, and high numbers of IgG4-positive plasma cells, consistent with IgG4-RH. From the literature review, we retrieved 18 papers reporting a total of 22 cases of histopathologically documented IgG4-RH. The revision of these cases, also including the two reported herein, showed an equal distribution of IgG4-RH in the two sexes, albeit significant clinico-pathological variation was found between cases arisen in female and male patients, respectively. In detail, IgG4-RH females were affected in their second-third decade of life, with a solitary pituitary lesion, low IgG4 serum level, and frequent association with autoimmune disorders. By contrast, IgG4-RH in men was a disease of the elderly, often in the context of a systemic IgG4-RD, with high IgG4 serum levels. Our study shows that IgG4-RH, as currently defined, is a clinically heterogenous disease, with different features in the two sexes. Indeed, cases diagnosed in young women, as our case 2, mostly do not present other evidence of IgG4-RD and might be better classified as lymphocytic hypophysitis with abundant IgG4+ plasma cells. For this reason, the histopathological examination of the pituitary lesion, particularly in female patients, may still be useful for a correct differential diagnosis with other variants of primary hypophysitis.
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Kanie K, Bando H, Iguchi G, Shiomi H, Masuda A, Fukuoka H, Nishizawa H, Fujita Y, Sakai A, Kobayashi T, Shiomi Y, Yoshida K, Matsumoto R, Suda K, Kodama Y, Ogawa W, Takahashi Y. IgG4-related hypophysitis in patients with autoimmune pancreatitis. Pituitary 2019; 22:54-61. [PMID: 30607745 DOI: 10.1007/s11102-018-00930-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
PURPOSE IgG4-related disease involves various organs including the pituitary and pancreas. The prevalence of IgG4-related hypophysitis is relatively rare compared with IgG4-related pancreatitis (autoimmune pancreatitis). Although several cases demonstrating both autoimmune pancreatitis and hypophysitis have been reported, the prevalence of IgG4-related hypophysitis in patients with autoimmune pancreatitis remains unknown. This study aimed at screening for IgG4-related hypophysitis to accurately determine its prevalence in patients with autoimmune pancreatitis. METHODS In this cohort study, we screened IgG4-related hypophysitis via pituitary magnetic resonance imaging (MRI) and endocrinological examination in 27 patients who were undergoing follow-up for autoimmune pancreatitis at Kobe University Hospital between 2014 and 2018. RESULTS Among 27 patients with autoimmune pancreatitis, 5 patients exhibited morphological abnormalities in the pituitary (18.5%). Among them, one patient (3.7%) met the criteria for hypophysitis with an enlarged pituitary and stalk concomitant with hypopituitarism. After glucocorticoid treatment, the enlarged pituitary shrank and became empty sella during the clinical course. Four patients (14.8%) revealed empty sella without obvious pituitary dysfunction. Four of 5 patients with morphological pituitary abnormalities showed multiple organ involvement in addition to pancreatic and pituitary involvement. Accordingly, multiple organ involvement was more prevalent in patients with morphological pituitary abnormalities (80%) compared to those without (48%). CONCLUSIONS Although a large-scale study is necessary to validate these results, these data suggest that the prevalence of hypophysitis in patients with autoimmune pancreatitis may be underestimated. Based on our findings, we recommend screening for hypophysitis, especially in patients with multiple organ involvement.
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Affiliation(s)
- Keitaro Kanie
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Hironori Bando
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Genzo Iguchi
- Division of Diabetes and Endocrinology, Kobe University Hospital, Kobe, Japan
| | - Hideyuki Shiomi
- Division of Gastroenterology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Atsuhiro Masuda
- Division of Gastroenterology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Hidenori Fukuoka
- Division of Diabetes and Endocrinology, Kobe University Hospital, Kobe, Japan
| | - Hitoshi Nishizawa
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yasunori Fujita
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Arata Sakai
- Division of Gastroenterology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takashi Kobayashi
- Division of Gastroenterology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuuki Shiomi
- Division of Gastroenterology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kenichi Yoshida
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Ryusaku Matsumoto
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Kentaro Suda
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yuzo Kodama
- Division of Gastroenterology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Wataru Ogawa
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
| | - Yutaka Takahashi
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
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Rzepecka A, Babińska A, Sworczak K. IgG4-related disease in endocrine practice. Arch Med Sci 2019; 15:55-64. [PMID: 30697253 PMCID: PMC6348348 DOI: 10.5114/aoms.2017.70889] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 09/28/2017] [Indexed: 12/24/2022] Open
Abstract
IgG4-related disease is a set of symptoms resulting from a chronic, usually multiple organ inflammatory condition which affects various organs. It consists of lymphoplasmacytic infiltrations with attendant fibrosis and deep vein thrombosis. Frequently observed tissue lesions are accompanied by elevated IgG4 levels in serum. The etiopathogenesis of the lesions is of multifactor character and the clinical manifestation of the disease is highly diverse. The diagnostic process is based on the patient's medical history, clinical examination and additional tests, including a histopathological examination of the infected organ's tissues. Almost forty different locations of the disease have been reported, including disorders of the endocrine system. IgG4-related endocrinopathies are quite rare. However, it is likely that the diagnosis is under-reported due to lack of awareness of this clinical entity. Despite increasing interest in the subject, there are not enough reliable studies evaluating the link between IgG4-RD and endocrine disorders.
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Affiliation(s)
- Agata Rzepecka
- Department of Endocrinology and Internal Medicine, Medical University of Gdansk, Gdansk, Poland
| | - Anna Babińska
- Department of Endocrinology and Internal Medicine, Medical University of Gdansk, Gdansk, Poland
| | - Krzysztof Sworczak
- Department of Endocrinology and Internal Medicine, Medical University of Gdansk, Gdansk, Poland
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Li Y, Gao H, Li Z, Zhang X, Ding Y, Li F. Clinical Characteristics of 76 Patients with IgG4-Related Hypophysitis: A Systematic Literature Review. Int J Endocrinol 2019; 2019:5382640. [PMID: 31929792 PMCID: PMC6935800 DOI: 10.1155/2019/5382640] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/20/2019] [Accepted: 11/19/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND IgG4-related hypophysitis (IgG4-RH) is a rare disease, and its prevalence remains unclear. In recent years, an increasing number of cases have been reported because of the increasing recognition of this disease. We aimed to summarize case reports of IgG4-RH and outline the clinical features and outcomes. METHODS We performed PubMed search of articles using the search terms "hypophysitis [AND] IgG4." Consequently, only 54 English articles (76 cases) met Leporati's diagnostic criteria. RESULTS Of the 76 cases, the ratio of men to women was 1.5 : 1, and the age at diagnosis was 54.1 ± 17.8 years. The median IgG4 concentration was 405.0 mg/dl. Anterior hypopituitarism, isolated central diabetes insipidus, and panhypopituitarism were observed in 14 (18.4%), 12 (15.8%), and 44 (57.9%) cases, respectively. The sequence of anterior hormone deficiency was as follows: gonadotropin (68.4%), ACTH (63.2%), TSH (59.2%), GH (48.7%), and prolactin (42.1%). The median number of involved organs was 1.5, and the lung (18.4%), retroperitoneum (17.1%), kidney (15.8%), submandibular glands (14.5%), and pancreas (13.2%) were the common involved organs. Elevated IgG4 concentration and normal IgG4 level were in 42 (76.4%) and 13 (23.6%) cases, respectively. Patients with elevated serum IgG4 concentration were older (60.9 ± 14.3 vs 45.6 ± 17.4, p=0.001) and male-prone (78.6% vs 40.4%, p=0.003) and had a susceptibility of multiple organ involvement (78.6% vs 35.0%, p=0.001) compared to those with normal serum IgG4 levels. Males were older at disease onset (61.5 ± 12.6 vs 42.9 ± 18.8, p < 0.001) and had a higher IgG4 concentration (425.0 vs 152.5, p=0.029) and a greater number of involved organs (2.0 vs 0.0, p=0.001), while isolated hypophysitis was more prominent in female (63.3% vs 26.1%, p=0.001). CONCLUSION In this review, we found that there were different characteristics between different genders. Patients with elevated serum IgG4 level in terms of some clinical features were also different from those with normal serum IgG4 level. However, the data in this review were limited by bias and confounding. Further clinical studies with larger sample sizes are warranted.
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Affiliation(s)
- Yujuan Li
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin, China
| | - Hua Gao
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin, China
| | - Zhen Li
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin, China
| | - Xinxin Zhang
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin, China
| | - Yizhi Ding
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin, China
| | - Fengao Li
- Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin, China
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Jain N, Dutta P, Gupta A, Bal A, Ahuja C, Bhansali A. A Rare Cause Of Sellar-Suprasellar Mass: Igg4-Related Infundibulo-Hypophysitis. AACE Clin Case Rep 2018. [DOI: 10.4158/accr-2018-0055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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Yuen KCJ, Moloney KJ, Mercado JU, Rostad S, McCullough BJ, Litvack ZN, Delashaw JB, Mayberg MR. A case series of atypical features of patients with biopsy-proven isolated IgG4-related hypophysitis and normal serum IgG4 levels. Pituitary 2018; 21:238-246. [PMID: 29248982 DOI: 10.1007/s11102-017-0852-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND IgG4-related hypophysitis is a rare clinical entity that forms part of an emerging group of multi-organ IgG4-related fibrosclerotic systemic diseases. The rare prevalence of the disease, presenting features that overlap with other sellar pathologies, and variable imaging features can make preoperative identification challenging. PURPOSE AND METHODS We report three cases of isolated IgG4-related hypophysitis with atypical clinical and imaging features that mimicked those of pituitary apoplexy and other sellar lesions. Additionally, we review the literature of IgG4-related hypophysitis to provide context for individual patient data described herein. RESULTS All patients presented with symptoms that mimicked those of pituitary apoplexy and visual disturbance, and MRI findings suggestive of pituitary macroadenoma, Rathke's cleft cyst and craniopharyngioma. The clinical presentation warranted surgical decompression, resulting in rapid symptomatic improvement. Preoperative high-dose followed by postoperative low-dose glucocorticoid replacement therapy was administered in all cases. Histopathology showed dense infiltrate of IgG4 cells. Post-operative follow-up monitoring for 12-26 months revealed normal serum IgG4 levels with no other organ involvement, while endocrinological testing revealed persistent pituitary hormone deficiencies. CONCLUSIONS Our cases highlight the importance of considering IgG4-related hypophysitis in the differential diagnosis of solid and cystic sellar lesions presenting acutely with pituitary apoplexy symptoms. Existing diagnostic criteria may not be sufficiently precise to permit rapid and reliable identification, or avoidance of surgery in the acute setting. In contrast to other reports of the natural history of this condition, despite the severity of presenting features, the disease in our cases was pituitary-restricted with normal serum IgG4 levels.
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Affiliation(s)
- Kevin C J Yuen
- Swedish Pituitary Center, Department of Neuroendocrinology, Swedish Neuroscience Institute, Seattle, WA, 98122, USA.
- Barrow Pituitary Center, Departments of Neuroendocrinology and Neurosurgery, Barrow Neurological Institute, University of Arizona College of Medicine, Phoenix, AZ, 85013, USA.
| | - Kelley J Moloney
- Swedish Pituitary Center, Department of Neuroendocrinology, Swedish Neuroscience Institute, Seattle, WA, 98122, USA
| | - Jennifer U Mercado
- Swedish Pituitary Center, Department of Neuroendocrinology, Swedish Neuroscience Institute, Seattle, WA, 98122, USA
| | | | - Brendan J McCullough
- Department of Neuroradiology, Swedish Neuroscience Institute, Seattle, WA, 98122, USA
- Radia, Inc., 19020 33rd Avenue West, Suite 210, Lynnwood, WA, 98036, USA
| | - Zachary N Litvack
- Department of Neurosurgery, Swedish Neuroscience Institute, Seattle, WA, 98122, USA
| | - Johnny B Delashaw
- Department of Neurosurgery, Swedish Neuroscience Institute, Seattle, WA, 98122, USA
| | - Marc R Mayberg
- Department of Neurosurgery, Swedish Neuroscience Institute, Seattle, WA, 98122, USA
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Liu Y, Wang L, Zhang W, Pan H, Yang H, Deng K, Lu L, Yao Y, Chen S, Chai X, Feng F, You H, Jin Z, Zhu H. Hypophyseal Involvement in Immunoglobulin G4-Related Disease: A Retrospective Study from a Single Tertiary Center. Int J Endocrinol 2018; 2018:7637435. [PMID: 29755523 PMCID: PMC5883929 DOI: 10.1155/2018/7637435] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 10/08/2017] [Accepted: 10/18/2017] [Indexed: 12/20/2022] Open
Abstract
This study aims to outline the clinical features and outcomes of IgG4-related hypophysitis (IgG4-RH) patients in a tertiary medical center. We reviewed clinical manifestations and imaging and pituitary function tests at baseline, as well as during follow-up. Ten patients were included. The mean age at diagnosis of IgG4-RH was 48.4 (16.0-64.0) years. An average of 3 (0-9) extrapituitary organs were involved. Five patients had panhypopituitarism, three had only posterior hypopituitarism, one had only anterior hypopituitarism, and one had a normal pituitary function. One patient in our study had pituitary mass biopsy, lacking IgG4-positive cells despite lymphocyte infiltration forming an inflammatory pseudotumor. Five patients with a clinical course of IgG4-RH less than nine months and a whole course of IgG4-RD less than two years were managed with glucocorticoids, while three patients with a longer history were administered glucocorticoids plus immunosuppressive agents. One patient went through surgical excision, and one patient was lost to follow-up. All patients showed a prompt response clinically, but only three patients had normalized serum IgG4 levels. Two patients who took medications for less than six months relapsed. Conclusions. IgG4-RD is a broad disease, and all physicians involved have to be aware of the possibility of pituitary dysfunction. Younger patients should be expected. The histopathological feature of pituitary gland biopsy could be atypical. For patients with a longer history, the combination of GC and immunosuppressive agents is favorable. Early and adequate courses of treatment are crucial for the management of IgG4-RH. With GC and/or immunosuppressant treatment, however, pituitary function or diabetes insipidus did not improve considerably.
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Affiliation(s)
- Yang Liu
- Department of Neurosurgery, Peking Union Medical College, Beijing 100730, China
| | - Linjie Wang
- Key Laboratory of Endocrinology of National Health and Family Planning Commission, Department of Endocrinology, Peking Union Medical College, Beijing 100730, China
| | - Wen Zhang
- Department of Rheumatology, Peking Union Medical College, Beijing 100730, China
| | - Hui Pan
- Key Laboratory of Endocrinology of National Health and Family Planning Commission, Department of Endocrinology, Peking Union Medical College, Beijing 100730, China
| | - Hongbo Yang
- Key Laboratory of Endocrinology of National Health and Family Planning Commission, Department of Endocrinology, Peking Union Medical College, Beijing 100730, China
| | - Kan Deng
- Department of Neurosurgery, Peking Union Medical College, Beijing 100730, China
| | - Lin Lu
- Key Laboratory of Endocrinology of National Health and Family Planning Commission, Department of Endocrinology, Peking Union Medical College, Beijing 100730, China
| | - Yong Yao
- Department of Neurosurgery, Peking Union Medical College, Beijing 100730, China
| | - Shi Chen
- Key Laboratory of Endocrinology of National Health and Family Planning Commission, Department of Endocrinology, Peking Union Medical College, Beijing 100730, China
| | - Xiaofeng Chai
- Key Laboratory of Endocrinology of National Health and Family Planning Commission, Department of Endocrinology, Peking Union Medical College, Beijing 100730, China
| | - Feng Feng
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, China
| | - Hui You
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100730, China
| | - Zimeng Jin
- Key Laboratory of Endocrinology of National Health and Family Planning Commission, Department of Endocrinology, Peking Union Medical College, Beijing 100730, China
| | - Huijuan Zhu
- Key Laboratory of Endocrinology of National Health and Family Planning Commission, Department of Endocrinology, Peking Union Medical College, Beijing 100730, China
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Kawasaki M, Tsujino M, Sato F, Sakurada M, Nishida K, Kise T, Hijioka Y, Ishizawa M, Enatsu K, Ogawa Y. IgG4-related Hypophysitis with Subtle Hypopituitarism in an Elderly Diabetic Patient: Is Treatment or Observation Preferable? Intern Med 2017; 56:2733-2738. [PMID: 28924128 PMCID: PMC5675934 DOI: 10.2169/internalmedicine.8851-17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
A 70-year-old man with diabetes mellitus presented with an enlarged pituitary stalk in 2014. IgG4-related parotitis and submandibular sialoadenitis were diagnosed in 2012. He denied any symptoms related to a pituitary mass. His visual field was intact, and his hypopituitarism was subtle. The serum IgG4 level was elevated. A lip biopsy revealed strong fibrosis and hyper-infiltration of IgG4-positive plasma cells. Based on these findings, IgG4-related hypophysitis was diagnosed. The patient was carefully followed without specific intervention. His clinical condition showed no change until December 2016, suggesting a stable, natural course. Care should be taken when considering glucocorticoid therapy, especially for elderly diabetic patients, given possible side effects.
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Affiliation(s)
- Motoki Kawasaki
- Department of Endocrinology and Metabolism, Tokyo Metropolitan Tama Medical Center, Japan
| | - Motoyoshi Tsujino
- Department of Endocrinology and Metabolism, Tokyo Metropolitan Tama Medical Center, Japan
| | - Fuminori Sato
- Department of Endocrinology and Metabolism, Tokyo Metropolitan Tama Medical Center, Japan
| | - Maya Sakurada
- Department of Endocrinology and Metabolism, Tokyo Metropolitan Tama Medical Center, Japan
| | - Kenji Nishida
- Department of Endocrinology and Metabolism, Tokyo Metropolitan Tama Medical Center, Japan
| | - Takayasu Kise
- Department of Rheumatic Diseases, Tokyo Metropolitan Tama Medical Center, Japan
| | - Yuko Hijioka
- Department of Gastroenterology, Tokyo Metropolitan Tama Medical Center, Japan
| | - Mitsugu Ishizawa
- Department of Pathology, Tokyo Metropolitan Tama Medical Center, Japan
| | - Kazuaki Enatsu
- Department of Pathology, Tokyo Metropolitan Tama Medical Center, Japan
| | - Yoshihiro Ogawa
- Department of Molecular Endocrinology and Metabolism, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Japan
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Baptista B, Casian A, Gunawardena H, D'Cruz D, Rice CM. Neurological Manifestations of IgG4-Related Disease. Curr Treat Options Neurol 2017; 19:14. [PMID: 28374231 PMCID: PMC5378735 DOI: 10.1007/s11940-017-0450-9] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OPINION STATEMENT IgG4-related disease (IgG4-RD) is a multisystem inflammatory disorder. Early recognition of IgG4-RD is important to avoid permanent organ dysfunction and disability. Neurological involvement by IgG4-RD is relatively uncommon, but well recognised-hypertrophic pachymeningitis and hypophysitis are the most frequent manifestations. Although the nervous system may be involved in isolation, this more frequently occurs in conjunction with involvement of other systems. Elevated circulating levels of IgG4 are suggestive of the condition, but these are not pathognomonic and exclusion of other inflammatory disorders including vasculitis is required. Wherever possible, a tissue diagnosis should be established. The characteristic histopathological changes include a lymphoplasmacytoid infiltrate, storiform fibrosis and obliterative phlebitis. IgG4-RD typically responds well to treatment with glucocorticoids, although relapse is relatively common and treatment with a steroid-sparing agent or rituximab may be required. Improved understanding of the pathogenesis of IgG4-RD is likely to lead to the development of more specific disease treatments in the future.
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Affiliation(s)
| | - Alina Casian
- Louise Coote Unit, Guy's and St Thomas NHS Foundation Trust, London, UK
| | - Harsha Gunawardena
- Department of Rheumatology, Brunel Building, Southmead Hospital, Bristol, UK
- Musculoskeletal Research Unit, Learning and Research Building, University of Bristol, Southmead Hospital, Bristol, BS10 5NB, UK
| | - David D'Cruz
- Louise Coote Unit, Guy's and St Thomas NHS Foundation Trust, London, UK
- Division of Immunology, Infection and Inflammatory Diseases, King's College London, New Hunt's House, Guy's Campus, Great Maze Pond, London, SE1 1UL, UK
| | - Claire M Rice
- School of Clinical Sciences, Level 1, Learning and Research Building, University of Bristol, Southmead Hospital, Bristol, BS10 5NB, UK.
- Department of Neurology, Brunel Building, Southmead Hospital, Bristol, UK.
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Affiliation(s)
- Hitoshi Sugihara
- Department of Endocrinology, Diabetes and Metabolism, Nippon Medical School
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