Sebaceous carcinoma (SC) is a slow-growing but aggressive malignant skin tumour derived from sebaceous glands. SC most commonly occurs in the periocular region, whereas extraocular sites are rare. SC of the nasal dorsum is a rare pathology, and only a few cases are reported worldwide. Here, we report a case of an 80-year-old man who presented with a mass over the nasal dorsum, diagnosed morphologically and immunohistochemically as sebaceous carcinoma.
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http://dx.doi.org/10.1007/s12070-023-04439-0 | DOI Listing |
Dermatopathology (Basel)
December 2024
Arkadi M. Rywlin M.D. Department of Pathology and Laboratory Medicine, Mount Sinai Medical Center, Miami Beach, FL 33140, USA.
PRAME (PReferentially expressed Antigen in MElanoma) is a tumor-associated antigen first identified in tumor-reactive T-cell clones derived from a patient with metastatic melanoma. Immunohistochemistry (IHC) for PRAME is useful for diagnostic purposes to support a suspected diagnosis of melanoma. Anecdotally, PRAME has been observed to stain sebaceous units in glands in background skin.
View Article and Find Full Text PDFJ Craniofac Surg
December 2024
Department of Ophthalmology, University of CaliforniaIrvine, Irvine, CA.
Objectives: This study aimed to characterize the survival of patients with sebaceous carcinoma (SC) of the eyelids according to demographics and other variables.
Methods: Patients with SC of the eyelids from 2004 to 2017 were identified in the National Cancer Database. Demographic and clinical covariates were assessed.
Cancer Manag Res
December 2024
Department of Oncology and Hematology, Dujiangyan People's Hospital, Chengdu, Sichuan, People's Republic of China.
Introduction: Sebaceous carcinoma (SC) is a rare malignancy and can be divided into two types, ocular and extra-ocular SC. Extra-ocular SC is typically associated with a better prognosis than ocular SC. However, extra-ocular SCs located in atypical areas, such as the inguinal region, along with multiple metastases, are uncommon and present significant challenges, often leading to poorer outcomes.
View Article and Find Full Text PDFJ Am Acad Dermatol
December 2024
Department of Dermatology, Baylor College of Medicine, Houston, Texas.
Am J Dermatopathol
December 2024
Surgical Pathology and Cytopathology Unit, University Hospital of Padova, Padova, Italy.
Hidradenocarcinoma (HAC) is a rare malignant neoplasm originating from eccrine sweat glands, often presenting diagnostic challenges because of its resemblance to other malignancies, particularly breast cancer when occurring in the chest region. This report describes 2 cases of HAC with axillary lymph node metastasis, both initially misinterpreted clinically. The first case involved a 63-year-old woman with a sternal mass, near the right breast, initially suspected to be a sebaceous cyst.
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