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Muir–Torre syndrome is a rare hereditary, autosomal dominant cancer syndrome [1]: 663 that is thought to be a subtype of HNPCC (Lynch syndrome). Individuals are prone to develop cancers of the colon, genitourinary tract, and skin lesions, such as keratoacanthomas and sebaceous tumors .
Sebaceous adenomas, in isolation, are not significant; however, they may be associated with Muir-Torre syndrome, a genetic condition that predisposes individuals to cancer. [3] It is also linked to hereditary nonpolyposis colorectal cancer (Lynch syndrome). [citation needed]
Sebaceoma is a smooth-bordered, plump, well-circumscribed benign tumor that may expand into the subcutis, middle dermis, and deep dermis. Lesions range in size from tiny lesions to 20 mm. Clinically, the tumor appears as a single flesh-colored or erythematous nodule or plaque in the head and neck region.
Other SGc including those occurring outside of the head and neck region and the presentation of multiple at a time are believed to be associated with genetic defects including defects in mismatch repair genes, Muir–Torre syndrome (MTS), and familial retinoblastoma. [11] [10] [9]
MSI tumors in 15% of sporadic colorectal cancer result from the hypermethylation of the MLH 1 gene promoter, whereas MSI tumors in Lynch syndrome are caused by germline mutations in MLH1, MSH2, MSH6, and PMS2. [3] MSI has been evident in the cause of sebaceous carcinomas. Sebaceous carcinomas are a subset of a larger pathology, Muir-Torre ...
Pilomatricoma is a benign skin tumor derived from the hair matrix. [2] [3] These neoplasms are relatively uncommon and typically occur on the scalp, face, and upper extremities.
Fred Rogers was beaten with a hammer, and his wife Edwina was killed with a single gunshot to the head
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