Surgically treated gastric melanoma of unknown primary: A case report from a 10‐year survivor

Autor:	Shintaro Sugita, Takayuki Morita, Toshiyuki Takahashi, Hidetoshi Kagaya
Rok vydání:	2020
Předmět:	0301 basic medicine medicine.medical_specialty Pathology Gastrointestinal Stromal Tumors surgical treatment medicine.medical_treatment Case Report Case Reports long‐term survival Pathology and Forensic Medicine CD117 03 medical and health sciences 0302 clinical medicine Cancer Survivors Gastrectomy Stomach Neoplasms Esophagogastroscopy medicine Humans Stromal tumor Melanoma Aged biology GiST business.industry Stomach gastric melanoma General Medicine medicine.disease Primary tumor 030104 developmental biology medicine.anatomical_structure 030220 oncology & carcinogenesis biology.protein Neoplasms Unknown Primary Female Radiology business
Zdroj:	Pathology International
ISSN:	1440-1827 1320-5463
DOI:	10.1111/pin.12991
Popis:	We describe an extremely rare case of simultaneous double melanoma of the stomach with no other obvious primary source. The patient has survived for more than 12 years post‐complete gastrectomy. The patient was a woman in her seventies who was referred for anemia by another clinic. Esophagogastroscopy revealed an ulcerated gastric tumor that was diagnosed as a gastrointestinal stromal tumor (GIST) by endoscopic biopsy. She was admitted to our hospital for further examination and treatment. Gastroscopy at our institution revealed two submucosal tumors in the gastric wall. Since no metastatic lesions were detected after systemic exploration, multiple GIST of the stomach was diagnosed, and a total gastrectomy was performed. Malignant melanoma was diagnosed in both lesions by a histopathological study of the resected stomach. The patient's postoperative progress was good, and thorough examination of the skin did not result in the discovery of any systemic neoplastic lesions which could be regarded as the source for the primary tumor. No anticancer treatments were used. The patient has survived, with no recurrence for over ten years postsurgery. Strong evidence is presented in this case for the diagnosis and treatment of gastric malignant melanoma.
Databáze:	OpenAIRE
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