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Muir-Torre syndrome: clinical features and molecular genetic analysis by C. ESCHE; R. KRUSE; C. LAMBERTI; W. FRIEDL; P. PROPPING; P. LEHMANN; T. RUZICKA is a Medicine article available to read on EtoBox.

What is Muir-Torre syndrome: clinical features and molecular genetic analysis about?

We report a 62-year-old man with rectal cancer, two keratoacanthomas and multiple sebaceous adenomas, epitheliomas and sebaceous hyperplasia. His brother and father died from colorectal cancer. A subgroup of patients with the Muir-Torre syndrome (MTS) is allelic to the cancer family syndrome. This genetic disorder is caused by an autosomal dominant inherited germline mutation in one of the DNA mismatch repair genes. It is thought that a somatic mutation of the other allele leads to a genomic instability responsible for tumorigenesis. In the patient presented here the instability was detected in two characteristic skin lesions; sebaceous adenoma and epithelioma. The search for a causal germline mutation revealed a frameshift mutation in the mismatch repair gene hMSH2 leading to a truncated protein. A presymptomatic molecular diagnosis can be offered to the children of the patient.

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Author

C. ESCHE; R. KRUSE; C. LAMBERTI; W. FRIEDL; P. PROPPING; P. LEHMANN; T. RUZICKA

Publisher

Oxford University Press (OUP)

Published

1997

Language

EN

Field

Medicine (Health Sciences)