The incidence of primary mucosal malignant melanoma (PMMM) is 1.3% among all malignant melanomas (MM). Cervical involvement is very rare; the number of cases of cervical PMMM reported so far is around 80. In our patient, a dark color, 2-cm diameter, nonulcerated tumor formation was observed upon examination of the cervix. Tumoral tissue consisted of atypical melanocytic cells containing numerous mitotic figures. In immunochemical studies, S-100, Melan-A, and HMB-45 positivity were observed. The tumor was 20 mm in invasion depth, Breslow IV, and FIGO stage IB1. Radical surgery was followed by adjuvant radiotherapy, and subsequently interferon treatment was applied. Examination and scans 20 months after surgery were free from tumor.
Glomus tumors (GTs) are rare, perivascular soft tissue tumors. Although GTs are usually found in the subcutaneous tissue, they may be detected in extracutaneous sites and mucosal areas. Transducing-like enhancer of split 1 (TLE1) is a highly useful immunohistochemical marker, which basically helps in differential diagnosis of synovial sarcoma. Based on a coincidental detection of TLE1 in one GT case, we studied 26 additional GT cases to establish the importance and distribution of TLE1 in GTs. Of 24 subcutaneous GTs, 22 (91.6%) were positive for TLE1 antibody and the remaining 2 mucosal GTs were negative. Of the 22 positive cases, 10 showed strong nuclear positivity. There was no difference between the subtypes of the GTs. Although TLE1 expression is significantly correlated to SS18 (SYT) rearrangements in synovial sarcomas, the fluorescence in situ hybridization analyses of the GTs showed no evidence of translocation involving this locus. TLE1 is a potential immunohistochemical marker for GTs, but further studies are required to confirm this finding.
Cyprus Journal of Medical Sciences (Cyprus J Med Sci) is the peer-reviewed, open access, international publication organ of Cyprus Turkish Medical Association. The journal is printed three times a year in April, August and December. The publication language of the journal is English. Cyprus Journal of Medical Sciences aims to publish manuscripts at the highest clinical and scientific level on all fields of medicine. The journal publishes original papers, review articles, case reports and letters. Cyprus Journal of Medical Sciences is indexed in Web of Science-Emerging Sources Citation Index and EBSCO.
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