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Journal J Cutan Pathol

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Appropriate Use Criteria (AUC) for Ancillary Diagnostic Testing in Dermatopathology: New Recommendations for 11 tests and 220 clinical scenarios from the American Society of Dermatopathology AUC Committee.

Maxwell A Fung, Claudia I Vidal, Eric A Armbrecht, Aleodor A Andea, David S Cassarino, Nneka I Comfere, Patrick O Emanuel, Tammie Ferringer, Alexandra C Hristov, Jinah Kim, Scott R Lauer, Konstantinos Linos, Tricia A Missall, Kiran Motaparthi, Roberto A Novoa, Rajiv Patel, Sara C Shalin, Uma Sundram, Antoanella Calame, Daniel D Bennett, Lyn M Duncan, Dirk M Elston, Gregory A Hosler, Yadira M Hurley, Alexander J Lazar, Lori Lowe, Jane Messina, Jonathan Myles, Jose A Plaza, Victor G Prieto, Vijaya Reddy, András Schaffer, Antonio Subtil,

<h4>Background</h4>Appropriate use criteria (AUC) provide patient-centered physician guidance in test selection. An initial set of AUC were reported by the American Society of Dermatopathology (ASDP) in 2018. AUC reflect evidence collected at single timepoints and may be affected by evolving evidence and experience.<h4>Objective</h4>Update and expand AUC for selected tests.<h4>Methods</h4>RAND/UCLA methodology ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Urticarial Vasculitis: A Potential Signpost for Multisystem Inflammatory Syndrome in Children.

Hailey L Gosnell, Douglas J Grider,

Multisystem inflammatory syndrome in children (MIS-C) is a rare and serious complication of Sars-Cov-2 infection. Dermatologic manifestations are present in the majority of patients. Skin lesions found in children with MIS-C are classified into four categories: morbilliform, reticulated, scarlatiniform, and urticarial lesions. Clinicopathologic characterization within these categories is limited. Thus, ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Cutaneous ectopia of lung, located on back and neck: hitherto undescribed presentation.

Md Osama, Rupali Sharma, Shashi Dhawan,

Ectopia is defined as the presence of a normal-appearing tissue in an abnormal location, where it is not normally found. In the literature, it is also referred to as heterotopia and is described as choristoma when it forms a mass. Lung tissue ectopia is a rare anomaly and is characterized ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Virtual clinicopathologic correlation rounds for inpatient consult skin biopsies during the COVID-19 pandemic: A quality improvement study.

Zachary J Wolner, Harrison Nguyen, Ha Eun Kong, Adam J Perricone, Benjamin K Stoff, Justin T Cheeley,

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Cutaneous metastasis of primary diffuse large B-cell lymphoma of the central nervous system developing 4 years after complete remission: Diagnosis confirmed by comparison of clones.

Bansri M Patel, John Moesch, Arivarasan Karunamurthy, Donna V Puleio, Jan Drappatz, Oleg E Akilov, Viktoryia Kazlouskaya,

B-cell lymphoma of the central nervous system (CNS) is a rare malignancy with diffuse large B-cell lymphoma (DLBCL) variant being most common. Although DLBCL has a high propensity to relapse locally within the CNS, only a few cases of cutaneous metastasis have been described in the literature. We present a ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Pigmented epidermotropic breast cancer metastases. A rare variant with a particularly unusual feature.

J Torre-Castro, C Moya-Martínez, L Haya-Martínez, M D Mendoza-Cembranos, I Eraña-Tomás, L Requena,

Pigmented epidermotropic breast cancer metastases are a rarity, often clinically misdiagnosed as melanocytic lesions. Histopathologically, they show a dermal proliferation of neoplastic metastatic cells that extend to the overlying epidermis in a pattern identical to that seen in primary Paget disease. Differential diagnosis should be established with entities with a ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Characterization of multiple diagnostic terms in melanocytic skin lesion pathology reports.

Oliver H Chang, David E Elder, Raymond L Barnhill, Michael W Piepkorn, Megan M Eguchi, Stevan R Knezevich, Annie C Lee, Raul J Moreno, Kathleen F Kerr, Joann G Elmore,

<h4>Background</h4>Histopathologically ambiguous melanocytic lesions lead some pathologists to list multiple diagnostic considerations in the pathology report. The frequency and circumstance of multiple diagnostic considerations remain poorly characterized.<h4>Methods</h4>Two hundred and forty skin biopsy samples were interpreted by 187 pathologists (8976 independent diagnoses) and classified according to a diagnostic/treatment stratification (MPATH-Dx).<h4>Results</h4>Multiple diagnoses ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Preferentially expressed antigen in melanoma and p16 expression in acral melanocytic neoplasms.

Jeffrey D McBride, John L McAfee, Melissa Piliang, Wilma F Bergfeld, Anthony P Fernandez, Shira Ronen, Steven D Billings, Jennifer S Ko,

Acral melanocytic neoplasms often pose diagnostic difficulty. Preferentially expressed antigen in melanoma (PRAME) expression and loss of p16 expression have diagnostic utility in melanocytic tumors. We examined PRAME and p16 expression in 30 acral melanocytic neoplasms (n = 11 nevi; n = 2 dysplastic nevi; n = 7 Spitz nevi; n = 10 acral melanomas). PRAME was scored ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Histopathological information other than the skyline in the diagnosis of papular epidermal nevus with a "skyline" basal cell layer.

Nieves Martínez Campayo, Jorge Aróstegui Aguilar, David Cassarino, Angel Fernandez-Flores,

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Smartphone adapter time trial analysis: A low-cost, time-efficient method to disseminate quality photomicrographs at the microscope.

Matthew DaCunha, Tal Buntinx, Brian Hinds,

<h4>Background</h4>Within the field of pathology there is a need for a uniform low-cost option for securing high-quality photomicrographs. Advances in smartphone photography and 3D-printing technology allow for custom adapters to be designed for the purpose of photomicrograph capture.<h4>Methods</h4>Photomicrograph acquisition was performed using four core modalities: a novel 3D-printed smartphone-to-microscope adapter, ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Giant benign lymphangioendothelioma with positive expression of Wilms tumor 1: A case report.

Diogo Teixeira, Áurea Canelhas, Miguel Costa, César Magalhães, Eduarda Osório Ferreira, Artur César,

Benign lymphangioendothelioma (BL, acquired progressive lymphangioma) is a rare, slow-growing lymphatic tumor, first described 40 years ago, with fewer than 50 published cases. Clinically, it presents as a skin-colored or erythematous patch. Definitive diagnosis requires histopathological examination. The immunohistochemical staining profile is still controversial regarding Wilms tumor 1 (WT1) expression, a ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Development of drug-induced psoriasiform alopecia in a pediatric patient on ustekinumab.

Maria Mihailescu, Thomas Cibull, Joel Joyce,

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Hyperkeratosis lenticularis perstans (Flegel disease) with back and breast involvement.

Francisco Javier Diaz De La Pinta, Itziar Eraña, Margarita Jo Velasco, Jose Luis Diaz Recuero, Luis Requena,

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Alopecia in hereditary mucoepithelial dysplasia.

Kerrie G Satcher, Jennifer J Schoch, Addie Walker,

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Impact of the American Society of Dermatopathology mentorship awards program.

Kala Hurst, Elizabeth L Bisbee, Amy C Parsons, Rajiv M Patel, Jeffrey P North, Julie Y Tse, Matthew Kuhar, Jose A Plaza, Kiran Motaparthi,

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Clinical and onychoscopic features of histopathologically proven onychopapillomas and literature update.

Michela Starace, Aurora Alessandrini, Tiziano Ferrari, Vivian Wong, Carlotta Baraldi, Bianca Maria Piraccini,

<h4>Background</h4>Onychopapilloma is a benign tumor of the distal nail matrix and proximal nail bed with heterogeneous clinical presentations. It poses a diagnostic challenge because it could mimic subungual malignancies and inflammatory conditions. Clinical, onychoscopic, and histopathological clues play critical roles in diagnosis.<h4>Methods</h4>We performed a retrospective chart review of onychopapilloma cases ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Reply to "Shall we exclude parapsoriasis from the medical vocabulary?"

Warren R Heymann,

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Extensive, multifocal lobomycosis.

Maria M Hornberger, G Strider Farnsworth, Raquel Vilela, Leonel Mendoza, Justin P Bandino,

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Histoplasma capsulatum var. duboisii: A KwaZulu-Natal, South Africa public sector perspective.

Lerato Claudia Khathali, Gamalenkosi Bonginkosi Nhlonzi, Absalom Mwazha,

<h4>Background</h4>Histoplasma capsulatum var. duboisii (H. duboisii) causes potentially fatal disease in the immunocompromised patient, and the literature on these cases is limited. The study was undertaken to describe the cases of H. duboisii seen in a resource-limited setting.<h4>Methods</h4>A 5-year retrospective, laboratory-based histopathologic review of all H. duboisii cases.<h4>Results</h4>A total of ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Clinical and histopathological evaluation of 50 acantholytic cutaneous squamous cell carcinomas: Analysis outcome in a retrospective case-control study.

Alberto Conde-Ferreirós, David Moyano-Bueno, Ángel Santos-Briz, Leonor Revelles-Peñas, David Revilla-Nebreda, Sara Becerril-Andrés, Concepción Román-Curto, Javier Cañueto,

<h4>Background</h4>Acantholytic cutaneous squamous cell carcinomas (aCSCCs) have been classically considered as a high-risk variant of CSCC. However, more recent studies show that aCSCC does not confer more aggressiveness. This study aims to establish whether the prognosis of the aCSCC is worse than that of the non-acantholytic (naCSCC) or not.<h4>Methods</h4>Retrospective case-control ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Interleukin 36 expression in psoriasis variants and other dermatologic diseases with psoriasis-like histopathologic features.

Terese Monette Aquino, Mary Grace Calvarido, Jeffrey P North,

<h4>Background</h4>Elevated epidermal interleukin (IL)-36 expression distinguishes psoriasis from eczematous dermatitis, but other psoriasiform dermatitides (PDs) have not been thoroughly investigated for IL-36 expression. In this study, we assess the IL-36 staining pattern (IL36-SP) in psoriasis variants and other PDs including lichen simplex chronicus (LSC), prurigo nodularis (PN), lichen planus (LP), ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Cytoplasmic expression of PMS2 (clone EP51), PRAME, and STAT6 (clone YE361) as a potential immunohistochemical finding for detection of sebocyte differentiation.

Keisuke Goto, Takashi Sugino,

J Cutan Pathol (Journal of cutaneous pathology)
[2021, 48(10):1324-1327]

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Expression of microRNA-21 and TIMP-3 in paradoxical psoriasiform reactions during treatment with antitumor necrosis factor agents.

Raquel Navarro, Yolanda Delgado-Jiménez, Juan Guinea-Viniegra, Mar Llamas-Velasco, Esteban Daudén,

<h4>Background</h4>Expression of microRNA-21 (miR-21) is increased in psoriasis, leading to reduced levels of epidermal tissue inhibitor of matrix metalloproteinase 3 (TIMP-3), a highly potent inhibitor of the tumor necrosis factor alpha (TNFα) sheddase TACE (TNFα-converting enzyme)/ADAM17. We described the profile of miR-21 and TIMP-3 in paradoxical psoriasiform reactions induced by ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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IRTA1 positivity helps identify a MALT-lymphoma-like subset of primary cutaneous marginal zone lymphomas, largely but not exclusively defined by IgM expression.

Eric D Carlsen, Shweta Bhavsar, James R Cook, Steven H Swerdlow,

<h4>Background</h4>It has been proposed that primary cutaneous marginal zone lymphomas (PCMZLs) include a MALT-lymphoma-like IgM+ subset and a class-switched subset, which is unlike most other MALT lymphomas. Whether expression of the MALT lymphoma-associated biomarkers IRTA1 and MNDA would support this concept and whether they might help explain why some patients ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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Merkel cell polyomavirus is a passenger virus in both poroma and porocarcinoma.

Anna-Stiina Meriläinen, Harri Sihto, Virve Koljonen,

<h4>Background</h4>Merkel cell polyomavirus (MCPyV) has been studied in several malignant and nonmalignant tissues. However, only in Merkel cell carcinoma (MCC) has the connection to tumorigenesis been established. Previously, eccrine porocarcinoma samples were shown to express MCPyV in the majority of samples. We aimed to examine MCPyV in porocarcinoma and poroma ... Read more >>

J Cutan Pathol (Journal of cutaneous pathology)
[2021, :]

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