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  • Title: Actual status of clinical diagnosis in patients with primary gallbladder cancer associated with adenomyomatosis.
    Author: Kai K, Irie H, Ide T, Masuda M, Kitahara K, Miyoshi A, Miyazaki K, Noshiro H, Tokunaga O.
    Journal: Indian J Gastroenterol; 2013 Nov; 32(6):386-91. PubMed ID: 24214664.
    Abstract:
    AIM: The purpose of this study was to reveal differences in clinical diagnosis of gallbladder cancer among patients with or without adenomyomatosis (ADM) by analyzing demonstrated tumor patterns on imaging and diagnostic opportunities. METHODS: Ninety-seven patients with gallbladder cancer were enrolled. Demonstrated imaging patterns were classified into mass lesion (ML), wall thickening (WT), and papillary lesion (PL). Clinical status during periodic follow up and other diagnostic opportunities were determined from medical records. RESULTS: All adenomyomatosis-associated cases were diagnosed at the T2 or higher stage. The distribution of demonstrated imaging patterns was significantly different between the adenomyomatosis-associated and non-adenomyomatosis-associated groups (p = 0.0002). No adenomyomatosis-associated gallbladder cancer had the PL pattern, which was readily identifiable and characteristic of early-stage cancer. The WT pattern presented difficulties for diagnosis, and the ML pattern was relatively specific, although most of these cases were at advanced stages. Approximately 40% of ADM patients were found to be in advanced stages of gallbladder cancer, in spite of undergoing periodic follow up. CONCLUSIONS: This study revealed the difficulty of early diagnosis of primary gallbladder cancer in the setting of concurrent ADM. Current results suggest the possible utility of preventive cholecystectomy for management of asymptomatic ADM patients.
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