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[Gastric melanoma--clinical case].
H Doran1, Tr Pătraşcu, E Catrina
1Clinica de Chirurgie Prof. I. Juvara, Spitalul Clinic Dr. I. Cantacuzino, Bucureşti. doranh2003@yahoo.com
Chirurgia (Bucharest, Romania : 1990)
|December 1, 2009
Summary
This case study details a rare gastric malignant melanoma in a 69-year-old woman. The study discusses whether the tumor was primary or metastatic, highlighting the rarity of gastrointestinal melanomas.
Area of Science:
- Gastroenterology
- Oncology
- Surgical Pathology
Background:
- Malignant melanomas of the stomach are exceedingly rare intraoperative findings.
- Most gastric melanomas are metastatic, originating from a primary cutaneous melanoma.
Observation:
- A 69-year-old woman with a history of resected left pectoral malignant melanoma presented with epigastric pain, weight loss, and anemia.
- Endoscopy and CT scan indicated a malignant tumor on the greater curvature of the stomach.
- Exploratory laparotomy revealed a large, ulcerated tumor in the gastric fornix with invasion of the spleen and pancreas, along with satellite nodules.
Findings:
- Histological examination confirmed the tumor and nodules were composed of epithelioid cells containing melanin pigment.
- The patient underwent a total gastrectomy and distal spleno-pancreatectomy.
- Post-operative follow-up at 3 months showed a favorable clinical evolution.
Implications:
- This case contributes to the limited literature on gastric melanomas.
- The discussion addresses the differential diagnosis between primary and metastatic gastric melanoma based on established criteria.
- Understanding the origin of gastric melanomas is crucial for accurate diagnosis and treatment planning.
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