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Case ReportOpen Access
Acute Appendicitis as Primary Symptom of Prostatic Adenocarcinoma: Report of a Case
Ratanarapee S 
,
Nualyong C
,
Nualyong C The most common disease of appendix is acute appendicitis. There have been at least 20 case reports of metastasisinduced
appendicitis in English literature. The authors reported a 62-year-old Thai man who underwent appendectomy due
to classical symptoms and signs of acute appendicitis and was subsequently referred to Siriraj Hospital for proper management
after a pathological report of metastatic adenocarcinoma to the appendix. By morphology, the primary site was thought to be
the prostate gland. Confirmation was done based on serum PSA study, transrectal ultrasound-guided core needle biopsy, and
review of the material from Hua Hin Hospital. Orchidectomy was performed with satisfactory outcome. The patient was
doing well for two years before upper gastrointestinal hemorrhage and obstructive jaundice caused by another aggressive
tumor developed. He died of the second tumor associated with subsequent renal failure in spite of good response to
orchidectomy.
Keywords: Appendicitis, Metastatic prostatic carcinoma, Prostatic adenocarcinoma
appendicitis in English literature. The authors reported a 62-year-old Thai man who underwent appendectomy due
to classical symptoms and signs of acute appendicitis and was subsequently referred to Siriraj Hospital for proper management
after a pathological report of metastatic adenocarcinoma to the appendix. By morphology, the primary site was thought to be
the prostate gland. Confirmation was done based on serum PSA study, transrectal ultrasound-guided core needle biopsy, and
review of the material from Hua Hin Hospital. Orchidectomy was performed with satisfactory outcome. The patient was
doing well for two years before upper gastrointestinal hemorrhage and obstructive jaundice caused by another aggressive
tumor developed. He died of the second tumor associated with subsequent renal failure in spite of good response to
orchidectomy.
Keywords: Appendicitis, Metastatic prostatic carcinoma, Prostatic adenocarcinoma
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