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Gallo Marin B, Aghagoli G, Hu SL, Massoud CM, Robinson-Bostom L. Calciphylaxis and Kidney Disease: A Review. Am J Kidney Dis 2023; 81:232-239. [PMID: 35970430 DOI: 10.1053/j.ajkd.2022.06.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 06/28/2022] [Indexed: 01/25/2023]
Abstract
Calciphylaxis is a life-threatening complication most often associated with chronic kidney disease that occurs as a result of the deposition of calcium in dermal and adipose microvasculature. However, this condition may also be seen in patients with acute kidney injury. The high morbidity and mortality rates associated with calciphylaxis highlight the importance to correctly diagnose and treat this condition. However, calciphylaxis remains a diagnosis that may be clinically challenging to make. Here, we review the literature on uremic calciphylaxis with a focus on its pathophysiology, clinical presentation, advances in diagnostic tools, and treatment strategies. We also discuss the unique histopathological features of calciphylaxis and contrast it with those of other forms of general vessel calcification. This review emphasizes the need for multidisciplinary collaboration including nephrology, dermatology, and palliative care to ultimately provide the best possible care to patients with calciphylaxis.
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Affiliation(s)
- Benjamin Gallo Marin
- Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, Rhode Island
| | - Ghazal Aghagoli
- Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, Rhode Island
| | - Susie L Hu
- Division of Kidney Disease and Hypertension, Department of Medicine, Warren Alpert Medical School of Brown University, Providence, Rhode Island
| | - Cathy M Massoud
- Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, Rhode Island
| | - Leslie Robinson-Bostom
- Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, Rhode Island.
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Knockdown of Lamin B1 and the Corresponding Lamin B Receptor Leads to Changes in Heterochromatin State and Senescence Induction in Malignant Melanoma. Cells 2022; 11:cells11142154. [PMID: 35883595 PMCID: PMC9321645 DOI: 10.3390/cells11142154] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/02/2022] [Accepted: 07/05/2022] [Indexed: 11/17/2022] Open
Abstract
Modifications in nuclear structures of cells are implicated in several diseases including cancer. They result in changes in nuclear activity, structural dynamics and cell signalling. However, the role of the nuclear lamina and related proteins in malignant melanoma is still unknown. Its molecular characterisation might lead to a deeper understanding and the development of new therapy approaches. In this study, we analysed the functional effects of dysregulated nuclear lamin B1 (LMNB1) and its nuclear receptor (LBR). According to their cellular localisation and function, we revealed that these genes are crucially involved in nuclear processes like chromatin organisation. RNA sequencing and differential gene expression analysis after knockdown of LMNB1 and LBR revealed their implication in important cellular processes driving ER stress leading to senescence and changes in chromatin state, which were also experimentally validated. We determined that melanoma cells need both molecules independently to prevent senescence. Hence, downregulation of both molecules in a BRAFV600E melanocytic senescence model as well as in etoposide-treated melanoma cells indicates both as potential senescence markers in melanoma. Our findings suggest that LMNB1 and LBR influence senescence and affect nuclear processes like chromatin condensation and thus are functionally relevant for melanoma progression.
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Wu S, Smith CJ, Miedema JR, Googe PB. Updates in Inflammatory Dermatopathology. Semin Diagn Pathol 2022; 39:288-297. [DOI: 10.1053/j.semdp.2022.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 02/02/2022] [Accepted: 02/15/2022] [Indexed: 11/11/2022]
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Ababneh EI, Hassanein M, Saad AM, Cook EE, Ko JS, Fatica RA, Vachharajani TJ, Fernandez AP, Billings SD. Calciphylaxis in uraemic and nonuraemic settings: clinical risk factors and histopathological findings. Clin Exp Dermatol 2021; 47:700-708. [PMID: 34762763 DOI: 10.1111/ced.15009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/08/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Calciphylaxis is a life-threatening cutaneous ulcerative/necrotic disease characterized by vascular calcification/occlusion. It occurs most commonly in end-stage kidney disease (ESKD), known as uraemic calciphylaxis (UC) but can also occur in patients with chronic kidney disease (CKD) and normal kidney function (nonuraemic calciphylaxis; NUC). There are few large series of NUC in the literature. AIM To compare the clinicopathological features of UC and NUC. METHODS We retrospectively compared the clinicopathological features of 35 patients with NUC during the period 2010-2020 with those of 53 patients with UC (control group). Cases were classified as NUC in the absence of all of the following: ESKD, significant CKD (defined as serum creatinine > 3 mg/dL or creatinine clearance < 15 mL/min) and acute kidney injury requiring kidney replacement therapy or kidney transplantation. RESULTS NUC represented 40% of the total cases, and there was a higher number of women (P < 0.01) and a higher median body mass index (P = 0.06) compared with the control UC group. Elevated parathyroid hormone was present in 44% of patients with NUC. Most of the tested patients were positive for lupus anticoagulants (56%). NUC biopsies showed a higher rate of extravascular calcium deposits (73% vs. 47%, P = 0.03). Dermal reactive vascular proliferation was the most common dermal change (32%). CONCLUSIONS NUC is more common than previously reported and shows a higher predilection for obese postmenopausal women. Undiagnosed hyperparathyroidism shows a possible association with NUC. Lupus anticoagulants were positive in most patients. NUC biopsies are more likely than UC biopsies to display extravascular calcium deposition.
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Affiliation(s)
- E I Ababneh
- Department of, Pathology, Cleveland Clinic, Cleveland, OH, USA
| | - M Hassanein
- Department of, Nephrology and Hypertension, Cleveland Clinic, Cleveland, OH, USA.,Department of, Cardiovascular Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - A M Saad
- Department of, Dermatology, Cleveland Clinic, Cleveland, OH, USA.,Department of Nephrology and Hypertension, University of Mississippi Medical Center, Mississippi, MO, USA
| | - E E Cook
- Department of, Pathology, Cleveland Clinic, Cleveland, OH, USA
| | - J S Ko
- Department of, Pathology, Cleveland Clinic, Cleveland, OH, USA
| | - R A Fatica
- Department of, Nephrology and Hypertension, Cleveland Clinic, Cleveland, OH, USA
| | - T J Vachharajani
- Department of, Nephrology and Hypertension, Cleveland Clinic, Cleveland, OH, USA
| | - A P Fernandez
- Department of Pathology, Detroit Medical Center, Detroit, MI, USA
| | - S D Billings
- Department of, Pathology, Cleveland Clinic, Cleveland, OH, USA
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Zacher NC, Bailey EE, Kwong BY, Rieger KE. Cutaneous reactive angiomatosis associated with intravascular cryoprotein deposition as the presenting finding in a patient with underlying lymphoplasmacytic lymphoma: A case report and review of the literature. J Cutan Pathol 2021; 49:176-182. [PMID: 34617316 DOI: 10.1111/cup.14144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 07/15/2021] [Accepted: 09/28/2021] [Indexed: 11/27/2022]
Abstract
Cutaneous reactive angiomatosis, a group of disorders defined by benign vascular proliferation, is associated with a number of systemic processes, including intravascular occlusion by cryoproteins. We report a case of a 64-year-old female patient who presented with a 1-year history of nontender petechiae of the bilateral arms and lower legs. Dermoscopic evaluation showed increased vascularity with a globular pattern. Over a period of months, her findings progressed to erythematous to violaceous plaques with admixed hypopigmented stellate scarring of the bilateral lower extremities, forearms, and lateral neck. Biopsy showed increased thin-walled, small dermal blood vessels with focal inter-anastamosis. Some vessels were occluded by eosinophilic globules suspicious for cryoprotein. Subsequent laboratory studies confirmed a diagnosis of type 1 cryoglobulinemia, prompting a bone marrow biopsy that revealed lymphoplasmacytic lymphoma. Herein, we report the fourth case of angiomatosis secondary to intravascular cryoproteins as the initial presentation of an underlying hematologic malignancy. We also present a review of the literature and emphasize the need for thorough initial workup and close and prolonged clinical monitoring for underlying systemic disease in these patients.
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Affiliation(s)
- Natasha C Zacher
- Department of Dermatology, Stanford University School of Medicine, Stanford, California, USA
| | - Elizabeth E Bailey
- Department of Dermatology, Stanford University School of Medicine, Stanford, California, USA
| | - Bernice Y Kwong
- Department of Dermatology, Stanford University School of Medicine, Stanford, California, USA
| | - Kerri E Rieger
- Department of Dermatology, Stanford University School of Medicine, Stanford, California, USA.,Department of Dermatology Pathology, Stanford University School of Medicine, Stanford, California, USA
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Diffuse dermal angiomatosis of the breast: an emerging entity in the setting of cutaneous reactive angiomatoses. Clin Dermatol 2020; 39:271-277. [PMID: 34272021 DOI: 10.1016/j.clindermatol.2020.10.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
New and emerging types of cutaneous vascular (capillary) proliferations have been described or better categorized in the last few years. They include reactive angioendotheliomatosis, acroangiodermatitis (pseudo-Kaposi sarcoma), diffuse dermal angiomatosis, intravascular histiocytosis, glomeruloid angioendotheliomatosis, and angiopericytomatosis (angiomatosis with cryoproteins). Clinically, they are characterized by multiple, red violaceous, and purpuric patches and plaques, sometimes evolving toward necrosis and ulceration with a wide distribution but a propensity to involve the extremities. Histologically, they are characterized by different patterns of intravascular or extravascular lobular or diffuse hyperplasia of endothelial cells, pericytes, and sometimes histiocytes. Although these angioproliferations can histologically have a pseudoangiosarcomatous pattern, they are reactive in that they originate from the (sub)occlusion of vascular lumina by different localized or systemic disorders. The vascular proliferation stops after the inducing hypoxic stimulus has been withdrawn. Among them, diffuse dermal angiomatosis of the breast is a variant of diffuse dermal angiomatosis involving middle-aged women with macromastia, obesity, smoking, and vasculopathic disorders, considered a distinct disorder in the spectrum of cutaneous reactive angiomatoses. It presents with reticulated erythematous to purple patches with sometimes a tendency to ulcerate and bleeding, appearing on large, pendulous breasts. The pathogenesis is related to tissue hypoxemia resulting from subclinical torsion, compression, and increased venous hydrostatic pressure due to the macromastia, aggravated by the associated ischemic conditions such as hypertension and diabetes. There is no evidence-based therapy, but reduction mammoplasty is a viable treatment option. This should be evaluated in all patients who fail conservative therapy.
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Frizzell MR, Shah S, Parekh P. Diffuse dermal angiomatosis localized to abdominal striae. Proc (Bayl Univ Med Cent) 2020; 33:419-421. [DOI: 10.1080/08998280.2020.1764324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/25/2020] [Accepted: 04/30/2020] [Indexed: 10/24/2022] Open
Affiliation(s)
| | - Sheevam Shah
- Department of Dermatology, Baylor Scott & White Medical Center – Temple, Temple, Texas
| | - Palak Parekh
- Department of Dermatology, Baylor Scott & White Medical Center – Temple, Temple, Texas
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