PubMed · 13662929
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G R DAVIES, B A JACKSON. 1959. Gastric polyps.. https://pubmed.ncbi.nlm.nih.gov/13662929/
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OBJECTIVE: The present study investigates the incidence of impalpable carcinoma of the prostate and the pathological findings of impalpable prostate carcinoma (PC) detected in autopsy material. The frequency of pre-carcinomatous and non-carcinomatous lesions as well as their relationship to the impalpable PC, were also examined. MATERIALS AND METHODS: Data were obtained from 212 autopsy specimens of the prostate gland, of men aged above 30 and under 98 years of age, born and living in Greece, who died (between 8/2002 and 8/2004), of causes other than carcinoma of the prostate. RESULTS: The age-independent frequency of histological PC in our study's population is 18.8% (ranging from 0% to 56.2% according to different age groups), whereas the age-independent frequency of histological benign prostate hyperplasia is 65.5% (ranging from 27.7% to 90.6%), of atypical adenomatous hyperplasia 15.5% (ranging from 5.5% to 25%), of prostatic intraepithelial neoplasia (PIN) 26.4% (ranging from 5.5% to 47.2%) and of prostate atrophy (PA) 10.3% (ranging from 0% to 43.7%). There was a statistically significant correlation between PIN and PC volume. Most impalpable carcinomas found within necropsy material were characterized by small volume, favorable histological type, and relatively low aggressiveness. The prevalence of PC and pre-carcinomatous lesions in our study population appears to be lower than that of most autopsy studies. CONCLUSIONS: The frequency of clinical PC in a certain population could be related to the frequency and prevalent model of impalpable carcinoma as well as to the frequency of pre-carcinomatous lesions.
Von Meyenburg complexes are benign liver lesions consisting of adenomatous bile duct proliferates. We present two patients suffering from esophageal cancer accompanied by the occurrence of von Meyenburg complexes. Preoperative computerized tomography (CT) of the liver had not shown these lesions. In one of the patients, diffuse nodular manifestation was found in both liver lobes, mimicking diffuse hepatic metastases. Intraoperative frozen section revealed the benign nature of the lesions in both cases. The patients underwent esophageal resection without complications. To the best of our knowledge, the coincidence of von Meyenburg complexes and esophageal cancer has never been reported before. This uncommon entity should be taken into consideration as a differential diagnosis of liver lesions in malignancies. It underlines the importance of intraoperative frozen section for liver lesions of unknown origin.
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