Malignant acanthosis nigricans is a rare paraneoplastic skin syndrome mostly associated with gastric adenocarcinoma. Florid cutaneous papillomatosis and tripe palms syndrome are considered to be abortive clinical variants of acanthosis nigricans. Clinical manifestations include pruritic, hyperkeratotic and hyperpigmented plaques with a subsequent formation of velvety papillomas in the involved areas. This case report describes an unusual case of the patient diagnosed with a combination of malignant acanthosis nigricans, florid cutaneous papillomatosis and tripe palms syndrome associated with gastric adenocarcinoma.
Patients with gastric tumors usually present with symptoms of discomfort or pain in the epigastrium, regurgitations, nausea, vomiting or melena. Treatment options include open and laparoscopic total or partial gastrectomy and recently endoscopic mucosal resection. A case of successful endoscopic submucosal dissection is described with the unusual pathological finding of heterotopic pancreatic tissue forming a gastric tumor. The 67-year-old male patient was operated on due to the initial diagnosis of gastro-intestinal stromal tumor of the gastric trunk. Two intra-operative biopsies were negative for cancer cells. Submucosal endoscopic dissection was performed with IT and Hook knives (Olympus). A literature review was performed. The operative time was 180 min with hospital stay of 6 days. During the injection of the carmine dye and the air insufflation pneumoperitoneum occurred and remained clinically silent during the observation period. The pathology result showed a heterotopic pancreatic tissue type 2 according to Heinrich's classification with microfoci of intestinal metaplasia. Preoperative diagnostics of gastric masses might be misleading and such tumors not necessarily should be excised. There are several surgical options with endoscopic submucosal dissection being probably the safest one and a non-disabling approach. Patients tolerate that kind of surgery well with good postoperative functional outcomes.
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