de Garengeot hernia with a mucinous neoplasm of the appendix, two clinical rarities combine to yield a first for the literature

The de Garengeot hernia chicken-and-egg conundrum: Acute appendicitis in an incarcerated femoral hernia, but which came first? A case report

“…The commonest approach is to perform appendicectomy regardless of the macroscopic appearance of the appendix [ 1 , 2 ]. Even without macroscopic evidence of appendicitis, the remote possibility of leaving an appendiceal neoplasm in situ may favour the performance of appendicectomy regardless of intraoperative findings [ [16] , [17] , [18] , [19] ]. Furthermore, occult microvascular insults associated with early appendicitis are likely to be imperceptible on visual inspection.…”

Femoral hernia with vermiform appendix herniation: a case report and review of the literature

“…To our knowledge, the combination of GH and sessile serrated adenoma has not been described in the literature. We found a case with GH and low-grade mucinous neoplasm [ 7 ], two cases with appendiceal diverticulosis [ 8 ] and a case with a small lymphocytic lymphoma within GH [ 9 ].…”

Late stage diagnosis of mucinous adenocarcinoma of the appendix: a case report of an unusual tumor with a rare presentation

“…MAA may also be mistaken for a urinary tract infection or bladder cancer as it can present with hematuria in both men and women [7][8][9][10][11][12][13][14][15][16]. In rare cases, MAAs present as scrotal pain due to metastasis and may even been found within de Garengeot hernias [17,18], which are femoral hernias containing the appendix.…”