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Fattah YH, Crasto D, Liu SS, Linhares Y, Kerdel F, Hanly A, Karai LJ. DUSP22-IRF4 Rearranged CD30-Positive Primary Cutaneous Lymphoproliferative Disorder With Gamma/Delta Phenotype. Am J Dermatopathol 2023; 45:831-834. [PMID: 37883980 DOI: 10.1097/dad.0000000000002573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
ABSTRACT CD30-positive primary cutaneous lymphoproliferative disorders (CD30 + PCLPD) are a heterogeneous group of cutaneous T-cell lymphoma (CTCL) that includes lymphomatoid papulosis (LyP) and primary cutaneous anaplastic large cell lymphoma. They exist as a clinical and pathological spectrum, which display significant overlap and variability. The diagnosis is made based on correlation between clinical and histopathologic findings. LyP with 6p25.3 rearrangement subtype represents <5% of LyP cases and is defined by DUSP22-IRF4 rearrangement on 6p25.3 locus. The reported cases express the alpha/beta T-cell receptor and follow an indolent clinical behavior typical of LyP. The same rearrangement is detected in 28% of anaplastic large cell lymphoma. We hereby present an extraordinary case of CD30 + PCLPD with DUSP22-IRF4 rearrangement and novel expression of gamma/delta T-cell immunophenotype in a young patient. Although the gamma/delta T-cell immunophenotype has been described in many other T-cell lymphomas, this is the first reported association with CD30 + PCLPD with DUSP22-IRF4 rearrangement.
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Affiliation(s)
- Yasmin H Fattah
- Department of Dermatology, Larkin Community Hospital, South Miami, FL
| | - David Crasto
- Department of Dermatology, Larkin Community Hospital, South Miami, FL
| | - Shuo S Liu
- Department of Dermatology, Larkin Community Hospital, South Miami, FL
| | | | - Franz Kerdel
- Skin Center of South Miami, South Miami, FL; and
| | - Andrew Hanly
- Global Pathology, Sonic Health Care USA, Miami Lakes, FL
| | - Laszlo J Karai
- Global Pathology, Sonic Health Care USA, Miami Lakes, FL
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2
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Saleh JS, Subtil A, Hristov AC. Primary cutaneous T-cell lymphoma: a review of the most common entities with focus on recent updates. Hum Pathol 2023; 140:75-100. [PMID: 37802757 DOI: 10.1016/j.humpath.2023.09.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/01/2023] [Accepted: 06/07/2023] [Indexed: 10/08/2023]
Abstract
Cutaneous T-cell lymphomas are an heterogeneous group of uncommon lymphoid neoplasms that are challenging to diagnose and require close collaboration between dermatologists, pathologists and hematologists/oncologists. This article reviews the most common cutaneous T-cell lymphomas: mycosis fungoides (both classic and variant forms) as well as its leukemic counterpart Sézary syndrome, CD30+ T-cell lymphoproliferative disorders including the ever-expanding group of lymphomatoid papulosis and primary cutaneous anaplastic large cell lymphoma, and primary cutaneous CD4+ small/medium lymphoproliferative disorder. We discuss the classic clinical and histopathologic features of these lymphomas and review how they can be distinguished from reactive entities. In particularly, updates to these diagnostic categories and current controversies in classification are highlighted. Moreover, we review the prognosis and treatment for each entity. These lymphomas exhibit variable prognosis, and therefore it is important to correctly classify atypical cutaneous T-cell infiltrates for appropriate patient treatment and prognosis. Cutaneous T-cell lymphomas are at the interface of several medical specialties; this review seeks to summarize key features of these lymphomas and highlight new and emerging insights into these lymphomas.
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Affiliation(s)
- Jasmine S Saleh
- Department of Pathology, University of Michigan, Ann Arbor, MI, 48109, USA; Department of Dermatology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Antonio Subtil
- Department of Pathology, Royal Jubilee Hospital, University of British Columbia, Victoria, British Columbia, V8R1J8, Canada
| | - Alexandra C Hristov
- Department of Pathology, University of Michigan, Ann Arbor, MI, 48109, USA; Department of Dermatology, University of Michigan, Ann Arbor, MI, 48109, USA.
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Osakada A, Fujimoto M, Ueshima C, Kaku Y, Nishikori M, Inoue N, Takeuchi K, Haga H. Constant small-cell changes and variable LEF1 expression in DUSP22-rearranged primary cutaneous anaplastic large-cell lymphoma: Analysis of the repeated biopsies of three patients. Pathol Int 2023; 73:456-462. [PMID: 37530485 DOI: 10.1111/pin.13360] [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: 05/08/2023] [Accepted: 07/15/2023] [Indexed: 08/03/2023]
Abstract
DUSP22-rearranged primary cutaneous anaplastic large-cell lymphoma (pcALCL) has a biphasic histological pattern defined by large dermal atypical lymphocytes and epidermotropic small lymphocytes resembling pagetoid reticulosis, but the positivity rate of the biphasic pattern in DUSP22-rearranged pcALCL is unknown. Immunohistochemically, LEF1 expression in >75% of tumor cells is associated with DUSP22-rearrangement (DUSP22-R) in systemic ALCL. However, whether this association applies to pcALCL remains unclear. To analyze these pathological clues for screening DUSP22-R, we reviewed 11 skin biopsies from three patients with DUSP22-rearranged pcALCL. All specimens showed a biphasic pattern, of which three showed nonpagetoid infiltration of the epidermis. In all lesions, small-cell changes of tumor cells were observed not only within the epidermis but also under the epidermis. LEF1 positivity rates varied by lesion (range: 30%-90%, mean: 59.6%) with only three patients expressing LEF1 in more than 75% of tumor cells. In conclusion, the biphasic pattern was a constant finding in DUSP22-rearranged pcALCL, but it was not always pagetoid reticulosis-like. The recognition of small-cell change outside the epidermis may be helpful in diagnosing DUSP22-rearranged pcALCL. However, LEF1 expression was variable and its diagnostic usefulness may be limited.
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Affiliation(s)
- Akio Osakada
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan
| | - Masakazu Fujimoto
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan
| | - Chiyuki Ueshima
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan
| | - Yo Kaku
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Momoko Nishikori
- Department of Hematology and Oncology, Graduate School of Medicine, Kyoto, Japan
| | - Norihito Inoue
- Division of Pathology, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
- Department of Pathology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Kengo Takeuchi
- Division of Pathology, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
- Department of Pathology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan
- Pathology Project for Molecular Targets, Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Hironori Haga
- Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan
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4
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Ortiz-Hidalgo C, Pina-Oviedo S. Primary Cutaneous Anaplastic Large Cell Lymphoma-A Review of Clinical, Morphological, Immunohistochemical, and Molecular Features. Cancers (Basel) 2023; 15:4098. [PMID: 37627126 PMCID: PMC10452173 DOI: 10.3390/cancers15164098] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/26/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Primary cutaneous anaplastic large cell lymphoma (ALCL) is the second most common cutaneous T-cell lymphoma after mycosis fungoides and belongs to the spectrum of cutaneous CD30+ T-cell lymphoproliferative disorders. Although primary cutaneous ALCL usually presents as a localized nodule or papule with or without ulceration, multifocal lesions may occur in up to 20% of cases. Histologically, primary cutaneous ALCL consists of a diffuse dermal infiltrate of medium to large anaplastic/pleomorphic cells with abundant amphophilic-to-eosinophilic cytoplasm, horseshoe-shaped nuclei, strong and diffuse expression of CD30, and with focal or no epidermotropism. The neoplastic infiltrate may show angiocentric distribution and may extend to the subcutis. Patients with localized or multifocal disease have a similar prognosis with a 10-year overall survival rate of 90%. Approximately 30% of primary cutaneous ALCLs harbor a DUSP22 (6p25.3) gene rearrangement that results in decreased expression of this dual-specific phosphatase, decreased STAT3 activation, and decreased activity of immune and autoimmune-mediated mechanisms regulated by T-cells.
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Affiliation(s)
- Carlos Ortiz-Hidalgo
- Department of Anatomic Pathology, Fundación Clínica Médica Sur, Mexico City 14050, Mexico
- Department of Tissue & Cell Biology, Universidad Panamericana School of Medicine, Mexico City 03920, Mexico
| | - Sergio Pina-Oviedo
- Department of Pathology, Duke University Medical Center, Durham, NC 27710, USA;
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Saleh JS, Subtil A, Hristov AC. Primary cutaneous T-cell lymphoma: a review of the most common entities with focus on recent updates. Hum Pathol 2023; 138:76-102. [PMID: 37307932 DOI: 10.1016/j.humpath.2023.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/01/2023] [Accepted: 06/07/2023] [Indexed: 06/14/2023]
Abstract
Cutaneous T-cell lymphomas are an heterogeneous group of uncommon lymphoid neoplasms that are challenging to diagnose and require close collaboration between dermatologists, pathologists and hematologists/oncologists. This article reviews the most common cutaneous T-cell lymphomas: mycosis fungoides (both classic and variant forms) as well as its leukemic counterpart Sézary syndrome, CD30+ T-cell lymphoproliferative disorders including the ever-expanding group of lymphomatoid papulosis and primary cutaneous anaplastic large cell lymphoma, and primary cutaneous CD4+ small/medium lymphoproliferative disorder. We discuss the classic clinical and histopathologic features of these lymphomas and review how they can be distinguished from reactive entities. In particularly, updates to these diagnostic categories and current controversies in classification are highlighted. Moreover, we review the prognosis and treatment for each entity. These lymphomas exhibit variable prognosis, and therefore it is important to correctly classify atypical cutaneous T-cell infiltrates for appropriate patient treatment and prognosis. Cutaneous T-cell lymphomas are at the interface of several medical specialties; this review seeks to summarize key features of these lymphomas and highlight new and emerging insights into these lymphomas.
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Affiliation(s)
- Jasmine S Saleh
- Department of Pathology, University of Michigan, Ann Arbor, MI, 48109, USA; Department of Dermatology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Antonio Subtil
- Department of Pathology, Royal Jubilee Hospital, University of British Columbia, Victoria, British Columbia, V8R1J8, Canada
| | - Alexandra C Hristov
- Department of Pathology, University of Michigan, Ann Arbor, MI, 48109, USA; Department of Dermatology, University of Michigan, Ann Arbor, MI, 48109, USA.
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Pan PY, Liao JB, Hsieh SM, Tseng HW. Vesicular Lymphomatoid Papulosis With DUSP22-IRF4 Rearrangement on Chromosome 6p25.3: A Case Report. Am J Dermatopathol 2023; 45:391-396. [PMID: 36939126 DOI: 10.1097/dad.0000000000002403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2023]
Abstract
ABSTRACT Lymphomatoid papulosis (LyP) with DUSP22-IRF4 rearrangement on chromosome 6p25.3 is a newly identified subtype of LyP. It is characterized by an older age of onset, localized skin lesions, with good prognosis, and it resembles a hybrid of LyP types B and C in histopathology. A limited number of cases have been reported so far. In this article, we reported a case of a 72-year-old man with recurrent episodes of widespread multiple discrete papular or vesicular eruptions on a region of the head, trunk, and 4 extremities for about 3 years. Histopathological examination of a vesicle revealed a subepidermal blister with abundant atypical lymphocytes in the vesicular space, band-like infiltrates in the papillary dermis, along with epidermotropism and pilosebaceous structure involvement. Fluorescence in situ hybridization analysis further demonstrated DUSP22-IRF4 rearrangement on chromosome 6p25.3. A diagnosis of vesicular LyP with this rare subtype was made according to the clinical and pathological findings.
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Affiliation(s)
- Po-Yang Pan
- Department of Dermatology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Jia-Bin Liao
- Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Shu-Min Hsieh
- Department of Clinical Pathology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Hui-Wen Tseng
- Department of Dermatology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan; and
- Ministry of Health and Welfare Pintung Hospital, Pintung, Taiwan
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Kitajima Y, Yamashina M, Hanamoto M, Shijimaya T, Terai S, Nakamaru S, Makimura K, Inoue N, Takeuchi K, Kiyohara T. Primary cutaneous anaplastic large cell lymphoma with DUSP22-IRF4 rearrangement demonstrating a biphasic histopathologic pattern and a complete natural regression. J Dermatol 2022; 49:e309-e310. [PMID: 35560037 DOI: 10.1111/1346-8138.16424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/18/2022] [Accepted: 04/22/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Yuki Kitajima
- Department of Dermatology, Kansai Medical University Medical Center, Osaka, Japan
| | - Mayu Yamashina
- Department of Dermatology, Kansai Medical University Medical Center, Osaka, Japan
| | - Mami Hanamoto
- Department of Dermatology, Kansai Medical University Medical Center, Osaka, Japan
| | - Takako Shijimaya
- Department of Dermatology, Kansai Medical University Medical Center, Osaka, Japan
| | - Sayaka Terai
- Department of Dermatology, Kansai Medical University Medical Center, Osaka, Japan
| | - Sei Nakamaru
- Department of Dermatology, Kansai Medical University Medical Center, Osaka, Japan
| | - Kaoru Makimura
- Department of Dermatology, Kansai Medical University Medical Center, Osaka, Japan
| | - Norihito Inoue
- Department of Pathology, The Cancer Institute Hospital of JFCR, Tokyo, Japan
| | - Kengo Takeuchi
- Department of Pathology, The Cancer Institute Hospital of JFCR, Tokyo, Japan
| | - Takahiro Kiyohara
- Department of Dermatology, Kansai Medical University Medical Center, Osaka, Japan
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ALK-Negative Anaplastic Large Cell Lymphoma: Current Concepts and Molecular Pathogenesis of a Heterogeneous Group of Large T-Cell Lymphomas. Cancers (Basel) 2021; 13:cancers13184667. [PMID: 34572893 PMCID: PMC8472588 DOI: 10.3390/cancers13184667] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 09/09/2021] [Accepted: 09/13/2021] [Indexed: 12/21/2022] Open
Abstract
Simple Summary ALK- anaplastic large cell lymphoma (ALK- ALCL) is a rare subtype of CD30+ large T-cell lymphoma that typically affects older adults and has a poor prognosis. Recognition of its histopathologic spectrum, subtypes, and of other tumors that can resemble ALK- ALCL is crucial to avoid making a wrong diagnosis that could result in inappropriate treatment for a patient. In recent years, several important studies have identified recurrent molecular alterations that have shed light on the pathogenesis of this lymphoma. However, on the other hand, putting all this vast information together into a concise form has become challenging. In this review, we present not only a more detailed view of the histopathologic findings of ALK- ALCL but also, we attempt to provide a more simplified perspective of the relevant genetic and molecular alterations of this type of lymphoma, that in our opinion, is not available to date. Abstract Anaplastic large cell lymphoma (ALCL) is a subtype of CD30+ large T-cell lymphoma (TCL) that comprises ~2% of all adult non-Hodgkin lymphomas. Based on the presence/absence of the rearrangement and expression of anaplastic lymphoma kinase (ALK), ALCL is divided into ALK+ and ALK-, and both differ clinically and prognostically. This review focuses on the historical points, clinical features, histopathology, differential diagnosis, and relevant cytogenetic and molecular alterations of ALK- ALCL and its subtypes: systemic, primary cutaneous (pc-ALCL), and breast implant-associated (BIA-ALCL). Recent studies have identified recurrent genetic alterations in this TCL. In systemic ALK- ALCL, rearrangements in DUSP22 and TP63 are detected in 30% and 8% of cases, respectively, while the remaining cases are negative for these rearrangements. A similar distribution of these rearrangements is seen in pc-ALCL, whereas none have been detected in BIA-ALCL. Additionally, systemic ALK- ALCL—apart from DUSP22-rearranged cases—harbors JAK1 and/or STAT3 mutations that result in the activation of the JAK/STAT signaling pathway. The JAK1/3 and STAT3 mutations have also been identified in BIA-ALCL but not in pc-ALCL. Although the pathogenesis of these alterations is not fully understood, most of them have prognostic value and open the door to the use of potential targeted therapies for this subtype of TCL.
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