Published in:
Open Access 01-12-2006 | Case report
Cecum cancer underlying appendicular abscess. Case report and review of literature
Published in: World Journal of Emergency Surgery | Issue 1/2006
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Peri-appendicular abscess is usually due to primary appendicitis or it may be caused by various pathological conditions: inflammatory, infective, neoplastic, immunological, ischemic, occlusive (table 1).
Table 1
Causes of appendicitis
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PRIMARY CAUSES OF APPENDICITIS
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Idiopathic lymphatic hyperplasia
Fecalith obstruction
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SECONDARY CAUSES OF APPENDICITIS
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Inflammatory
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Crohn's disease
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Ulcerative Colitis
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Sarcoidosis
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Granulomatous appendicitis
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Infective
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Bacterial (Tuberculosis, Typhus, Actinomycosis, E. coli and B. fragilis, Pseudomonas, Yersinia, Eikenella corrodens infections)
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Viral (Adenovirus, Cytomegalovirus infections)
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Fungal (Aspergillosis, Histoplasmosis)
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Parasitic (Enterobius vermicularis, Strongyloides stercoralis, Entamoeba histolytica infections, Ascariasis, Schistosomiasis, Cryptosporidiosis, Taeniasis)
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Neoplastic
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Primary neoplasm (Adenoma, Mucinous cystadenomas, Cystadeno-carcinomas, Carcinoid tumors, Mesenchymal tumors)
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Metastasis from other organs (stomach, lung, femal genital tract)
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Lymphoma-leukemia
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Endometriosis
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Ischemic
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Vascular occlusion for thrombosis, vasculitis
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Neurogenic
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Neural proliferations and/or increased number of endocrine cells
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Foreign body obstruction
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Small chicken and fish bones, portion of wire, nail, cherry stone, piece of glass, dislocated intrauterine contraceptive device, dislocated biliary stent
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