Primary Appendiceal Mucinous Adenocarcinoma

Behera, Prativa Kumari; Pk, Rath; Panda, Rabiratna; Satpathi, Sanghamitra; Behera, Rajan

doi:10.1007/s12262-010-0201-6

Cited by 14 publications

(11 citation statements)

References 9 publications

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“…Most of malignant appendix tumors present with acute appendicitis or palpable abdominal mass and are diagnosed incidentally at histopathological examination of the surgically excised specimens or an incidental finding during exploration for another disease [6]. Appendix malignancies may also be asymptomatic and be found incidentally.…”

Section: Discussionmentioning

confidence: 99%

Primary Mucinous Adenocarcinoma of Appendix

Bairwa¹

2020

JCR

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Background: Primary mucinous adenocarcinoma of appendix is an extremely rare disease in clinical practice. Here, we report a case of primary mucinous adenocarcinoma in a 60 year old gentleman misdiagnosed as having acute appendicitis. Case Report: A 60 year old man presented with symptoms of pain in right iliac fossa. Ultrasonography of abdomen revealed acute appendicitis. Laparoscopic appendectomy was done and histopathological examination identified a well-differentiated mucinous adenocarcinoma of appendix, tumor cells reaching upto serosal surface. Right hemicolectomy was done as a second stage procedure. Conclusion: As some cases are discovered incidentally, this case emphasizes that histopathological examination of all appendectomy specimens is mandatory.

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Section: Discussionmentioning

confidence: 99%

Primary Mucinous Adenocarcinoma of Appendix

Bairwa¹

2020

JCR

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“…It frequently presents with acute abdominal pain resembling acute appendicitis; sometimes presents as an abdominal mass detected by palpation or abdominal imaging, as occurred in the currently reported case; and rarely presents with nausea, vomiting, ascites, or involuntary weight loss. Due to its nonspecific presentation, it is rarely diagnosed preoperatively and usually diagnosed postoperatively by histopathological examination of the resected specimen after exploratory surgery for other suspected disease[ 3 , 6 , 7 ].…”

Section: Discussionmentioning

confidence: 99%

Limited, local, extracolonic spread of mucinous appendiceal adenocarcinoma after perforation with formation of a malignant appendix-to-sigmoid fistula: Case report and literature review

Hakim¹,

Amin²,

Cappell³

2016

WJG

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A 68-year-old man presented with progressive right lower quadrant abdominal pain and tenderness without rebound tenderness, and with constipation during the prior 9 mo. Abdomino-pelvic computed tomography and magnetic resonance imaging demonstrated a dilated appendix forming a fistula to the sigmoid colon. Open laparotomy revealed a bulky abdominal tumor involving appendix, cecum, and sigmoid, and extending up to adjacent viscera, without ascites or peritoneal implants. The abdominal mass was removed en bloc, including resection of sigmoid colon, cecum (with preservation of ileocecal valve), appendix, right vas deferens, testicular vessels, and minimal amounts of anterior abdominal wall; and shaving off of small parts of the walls of the urinary bladder and small bowel. Gross and microscopic pathologic examination revealed an appendix-to-sigmoid malignant fistula secondary to perforation of mucinous adenocarcinoma of the appendix with minimal local spread (stage T4). However, the surgical margins were clear, all 13 resected lymph nodes were cancer-free, and pseudomyxoma peritonei or peritoneal implants were not present. The patient did well during 1 year of follow-up with no clinical or radiologic evidence of local recurrence, metastases, or pseudomyxoma peritonei despite presenting with extensive stage T4 cancer that was debulked without administering chemotherapy, and despite presenting with malignant appendiceal perforation. This case illustrates the non-aggressive biologic behavior of this low-grade malignancy. The fistula may have prevented free spillage of cancerous cells and consequent distant metastases by containing the appendiceal contents largely within the colon.

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“…Primary adenocarcinoma of appendix is usually classified according to histopathological examination into four distinct subtypes with varying frequencies: colonic type adenocarcinoma, mucinous adenocarcinoma, signet ring-type adenocarcinoma, and others [4]. Of all the variants, mucinous histology is a common variant and has the best prognostic factor [5]. Most mucinous types are well differentiated and slow growing [6].…”

Section: Discussionmentioning

confidence: 99%

Adenocarcinoma mimicking appendicular lump: a diagnostic dilemma—a case report

2016

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BackgroundPrimary appendiceal adenocarcinoma is a rare tumor, mucinous variety being common. This case is reported to highlight the unusual presentation and diagnostic difficulty of appendiceal adenocarcinoma.Case presentationPatient presented with acute appendicitis with ill-defined tender lump which responded to conservative management.ConclusionsHigh index of suspicion should be kept in mind for elderly patients presenting with appendicular lump. Every effort should be made during elective appendectomy to remove stump in case of sloughed out appendix.

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Primary Appendiceal Mucinous Adenocarcinoma

Cited by 14 publications

References 9 publications

Primary Mucinous Adenocarcinoma of Appendix

Primary Mucinous Adenocarcinoma of Appendix

Limited, local, extracolonic spread of mucinous appendiceal adenocarcinoma after perforation with formation of a malignant appendix-to-sigmoid fistula: Case report and literature review

Adenocarcinoma mimicking appendicular lump: a diagnostic dilemma—a case report

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