APPENDIX PATHOLOGY DIFFERENTIAL DIAGNOSIS
CONGENITAL ANOMALIES
- Cystic fibrosis
APPENDICITIS
- Adenovirus associated acute appendicitis
- Measles related appedicitis
- Acute appendicitis
- Chronic appendicitis
- Enterobius vermicularis
- Eosinophilic appendicitis
- Granulomatous appendicitis
- Interval appendicitis
- Periappendicitis
- Periappendiceal actinomycosis presenting as acute appendicitis
- Xanthogranulomatous inflammation
OTHER NON-NEOPLASTIC CONDITIONS TO CONSIDER
- Diverticulosis
- Inverted appendix
- Lymphoid hyperplasia
- Myxoglobulosis
BENIGN TUMORS
- Fibrous obliteration
- Hyperplastic polyp
- Mucocele
- Mucosal hyperplasia
- Serrated polyp
CARCINOMA
- Adenocarcinoma
- Goblet cell adenocarcinoma
- Pseudomyxoma peritonei
- Signet ring cell adenocarcinoma
OTHER TUMORS TO CONSIDER
- Gastrointestinal stromal tumor
- Low-grade appendiceal mucinous neoplasm (LAMN)
- Low-grade appendiceal mucinous neoplasm of undetermined malignant potential (LAMN-UMP)
- High-grade appendiceal mucinous neoplasm (HAMN)
- Well differentiated neuroendocrine tumor