Sebaceous carcinoma of the breast is an extremely rare tumor. To the best of our knowledge only 15 cases have been reported in literature. Herein, we report a case of sebaceous carcinoma of the breast and describe the histopathologic features of sebaceous carcinoma of the breast in an elderly female.
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Cureus
December 2024
Obstetrics and Gynecology, Marunouchi Hospital, Matsumoto, JPN.
Malignant transformation is a rare complication of ovarian mature cystic teratoma that occurs in 1-3% of cases. We herein report a case of squamous cell carcinoma originating from mature cystic teratoma of the ovary diagnosed 10 years after initial tumor detection. A 69-year-old woman presented to the Department of Internal Medicine with a seven-month history of abdominal fullness.
View Article and Find Full Text PDFActa Clin Croat
December 2023
Department of Ophthalmology, Sestre milosrdnice University Hospital Center, Zagreb, Croatia.
Muir-Torre syndrome is a rare form of hereditary nonpolyposis colorectal cancer syndrome; simplified, it is an association of at least one sebaceous skin tumor and at least one visceral malignancy. It follows an autosomal dominant pattern of inheritance. We present a case of a recurrent sebaceous carcinoma of the eyelid in a patient previously operated on for colorectal carcinoma.
View Article and Find Full Text PDFInt J Surg Case Rep
January 2025
Breast and Endocrine Surgery Consultant, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia.
Introduction And Importance: Accessory breast is a rare condition where regression of the mammary ridge fails. This ectopic breast can function as the same pectoral breast and respond to hormonal effects. Furthermore, in rare cases, it can develop into malignancy.
View Article and Find Full Text PDFClin Exp Dermatol
January 2025
Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK.
Background: One in five sebaceous tumour (ST) patients may have Lynch syndrome (LS), a hereditary cancer predisposition. LS patients benefit from cancer surveillance and prevention programmes and immunotherapy. Whilst universal tumour mismatch repair (MMR) deficiency testing is recommended in colorectal and endometrial cancers to screen for LS, there is no consensus screening strategy for ST, leading to low testing rates and inequity of care.
View Article and Find Full Text PDFFront Oncol
January 2025
Department of Dermatovenereology, Chengdu Second People's Hospital, Chengdu, Sichuan, China.
Nevus sebaceous (NS) is a congenital hamartoma characterized by the presence of skin structures, including the epidermis, sebaceous glands, and hair follicles. NS predominantly occurs on the scalp and has the potential to give rise to secondary tumors, with a small proportion being malignant; the most frequently observed malignant tumor associated with NS is basal cell carcinoma. In this report, we retrospectively present four cases of sebaceous nevus on the scalp complicated by basal cell carcinoma.
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