A woman with postmastectomy lymphoedema presented with purple-red nodules on the right upper arm. Histopathology of a skin biopsy showed a cutaneous angiosarcoma. Angiosarcoma arising in an oedematous arm is called the Stewart-Treves syndrome and is a rare and late complication of breast cancer treatment.
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Ann Dermatol
November 2023
Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Korea.
Epithelioid hemangioma is a rare benign vascular neoplasm. Recently, the term "multiple eruptive epithelioid hemangioma" has been proposed for epithelioid hemangioma with distinct features. It is different from usual epithelioid hemangioma because of the multifocal distributions in various body regions with an eruptive onset.
View Article and Find Full Text PDFR I Med J (2013)
August 2023
Department of Dermatology, Warren Alpert Medical School of Brown University, Providence, RI.
Kaposi sarcoma is a rare vascular malignancy associated with HHV-8 infection. Four variants of Kaposi sarcoma have been described: Classic, African, HIV-associated, and iatrogenic. Iatrogenic Kaposi sarcoma is typically associated with immunosuppression and organ transplantation.
View Article and Find Full Text PDFJ Cutan Pathol
July 2023
Department of Pathology and Laboratory Medicine, Geisel School of Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire, USA.
Melanoma and benign histiocytic proliferations can sometimes show considerable clinical and histopathologic overlap. Recently, cases of melanomas resembling xanthogranuloma and Rosai-Dorfman disease have been reported, and herein we report a case of melanoma closely mimicking reticulohistiocytoma. An 84-year-old man presented with a 1 cm purple-red nodule on his arm concerning for squamous cell carcinoma.
View Article and Find Full Text PDFOral Oncol
May 2023
Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China. Electronic address:
Background: Immunotherapy, especially anti-PD-1 and anti-PD-L1 antibodies, have observably improved the overall survival of patients with advanced solid tumors following the unavoidable immune-related adverse events (irAEs). Camrelizumab is a novel anti-PD-1 agent with the reported most common irAEs of reactive cutaneous capillary endothelial proliferation (RCCEP). Despite it is widely occurred in the skin, oral RCCEP is rarely reported.
View Article and Find Full Text PDFPlant Methods
July 2020
College of Agriculture, Liaocheng University, Liaocheng, 252000 China.
Background: -mediated hairy root transformation provides a powerful tool for investigating the functions of plant genes involved in rhizobia-legume symbiosis. However, in the traditional identification methods of transgenic hairy roots based on reporter genes, an expensive chemical substrate or equipment is required.
Results: Here, we report a novel, low cost, and robust reporter for convenient, non-destructive, and directly visual selection of transgenic hairy roots by naked eye, which can be used in the study of rhizobia-legume symbiosis.
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