Clinical characteristics of metastasis-induced acute pancreatitis in patients with lung cancer

Zhonghua yi xue za zhi
Y Y XiongJ M Qian

Abstract

Objective: To analyze the clinical features and prognosis of lung cancer patients with metastasis-induced acute pancreatitis (MIAP), and to provide clues for early diagnosis. Methods: The characteristics and prognosis of 8 patients with MIAP in lung cancer admitted to Peking Union Medical College Hospital from January 2002 to September 2019 were retrospectively analyzed and were compared with non-tumor-induced AP. Results: Sevencases(7/8) were Mild AP, one (1/8) was Severe AP. Four patients (4/8) presented with AP as the reporting sign and lung cancer was not diagnosed until (112±36) days after the onset of AP. Clinical manifestations included abdominal pain (8/8), weight loss (4/8), nausea and vomiting (2/8), and jaundice (1/8). Stages of lung cancer were all Ⅳ.Histopathology proved that seven cases (7/8) were small cell lung cancer, and one case (1/8) was poorly differentiated adenocarcinoma. The median survival time was 11 months. Compared with non-tumor-induced AP, lung cancer patients with MIAP were older[(62±9) vs (48±15), P=0.018], the incidence of primary pancreatic duct dilatation (37.5% vs 3.1%, P=0.004) and abdominal lymphadenopathy (37.5% vs 6.3%, P=0.017) were higher; the level of hemoglobin [105.3±15.6) g/L vs (14...Continue Reading

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