Article
Primary malignant melanoma of the gastroesophageal junction with KIT gene exon 11 mutation.
JPMA. The Journal of the Pakistan Medical Association - 1 Jul 2024
Gao Xiaozhuo, Zhao Zehua, Zhu Yanmei
Abstract excerpt
Mucosal melanoma (MM) represents an uncommon form of melanoma. Primary gastrointestinal tract (GIT) melanoma is even rarer. A 70-year-old male visited the Liaoning Cancer Hospital and Institute, China, due to upper abdominal discomfort for the past two months. His endoscopy revealed a prominent, 6-cm ulcerated neoplasm in the gastroesophageal junction (GEJ). Lesion endoscopic biopsy showed diffusely distributed...
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