Pseudo Tumor of the Bladder Simulating Cancer: Pseudotumoral Glandular Cystitis

Journal of Pathology Research Reviews and Reports ◽

10.47363/jpr/2021(3)139 ◽

2021 ◽

pp. 1-3

Author(s):

Fabrice Senghor ◽

◽

Ibou Thiam ◽

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Keyword(s):

Intestinal Metaplasia ◽

Rare Case

Intestinal metaplasia of the bladder is a rare pathology, estimated at less than 1% of bladder pathologies. Some forms, including pseudo tumor glandular cystitis, can mimic cancer. We report a rare case of this pathology, little studied in our context, treated in Senegal and we underline the epidemiologicalclinical and anatomopathological particularities.

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Pulmonary intestinal adenocarcinoma secondary to intestinal metaplasia of bladder: a rare case report

Annals of Palliative Medicine ◽

10.21037/apm-20-1818 ◽

2021 ◽

Vol 10 (13) ◽

pp. 7-7

Author(s):

Ao Li ◽

Yubo Yang ◽

Ping Han

Keyword(s):

Case Report ◽

Intestinal Metaplasia ◽

Rare Case ◽

Rare Case Report

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Identification of Pulmonary Deposits from a Sandpaper Worker: A Study by Electron Microscopy and X-Ray Microanalysis

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100053061 ◽

1982 ◽

Vol 40 ◽

pp. 52-53

Author(s):

S. K. Peng ◽

M.A. Egy ◽

J. K. Singh ◽

M.B. Bishop

Keyword(s):

Electron Microscopy ◽

Environmental Pollution ◽

Rare Case ◽

Interstitial Fibrosis ◽

X Ray ◽

Documented Case ◽

Etiologic Agents ◽

Pulmonary Interstitial Fibrosis ◽

Gold Miners ◽

Pulmonary Changes

Electron microscopy and energy dispersive x-ray microanalysis (EDXA) are found to be very useful tools for identification of etiologic agents in pneumoconiosis or interstitial pulmonary disorders. Pulmonary interstitial fibrosis and granulomatosis are frequently associated with occupational and environmental pollution. Numerous reports of pneumoconiosis in various occupations such as coal and gold miners are presented in the literature. However, there is no known documented case of pulmonary changes in workers in the sandpaper industry. This study reports a rare case of pulmonary granulomatosis containing deposits from abrasives of sandpaper diagnosed by using EDXA.

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Ultrastructural Localization Study of Carcinoembryonic Antigen (CEA) in Gastric Cancer: Immunoelectron Microscopic Observation

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100158807 ◽

1990 ◽

Vol 48 (3) ◽

pp. 252-253

Author(s):

Dong Yuming ◽

Yang Guanglin ◽

Wu Jifeng ◽

Chen Xiaolin

Keyword(s):

Gastric Cancer ◽

Intestinal Metaplasia ◽

Cancer Cells ◽

Microscopic Observation ◽

Biological Significance ◽

Ultrastructural Localization ◽

Mucinous Carcinoma ◽

Surface Glycoprotein ◽

Tubular Adenocarcinoma ◽

Pap Method

On the basis of light microscopic observation, the ultrastructural localization of CEA in gastric cancer was studied by immunoelectron microscopic technique. The distribution of CEA in gastric cancer and its biological significance and the mechanism of abnormal distribution of CEA were further discussed.Among 104 surgically resected specimens of gastric cancer with PAP method at light microscopic level, the incidence of CEA(+) was 85.58%. All of mucinous carcinoma exhibited CEA(+). In tubular adenocarcinoma the incidence of CEA(+) showed a tendency to rising with the increase of degree of differentiation. In normal epithelia and intestinal metaplasia CEA was faintly present and was found only in the luminal surface. The CEA staining patterns in cancer cells were of three types--- cytoplasmic, membranous and weak reactive type. The ultrastructural localization of CEA in 14 cases of gastric cancer was studied by immunoelectron microscopic technique.There was a little or no CEA in the microvilli of normal epithelia. In intestinal metaplasia CEA was found on the microvilli of absorptive cells and among the mucus particles of goblet cells. In gastric cancer CEA was also distributed on the lateral and basal surface or even over the entire surface of cancer cells and lost their polarity completely. Many studies had proved that the alterations in surface glycoprotein were characteristic changes of tumor cells. The antigenic determinant of CEA was glycoprotein, so the alterations of tumor-associated surface glycoprotein opened up a new way for the diagnosis of tumors.

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