The Sciences

NCBI ROFL: An unusual finding during screening colonoscopy: a cockroach!

DiscoblogBy ncbi roflJan 4, 2011 12:00 AM

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It's insect week on NCBI ROFL! All week long we'll be featuring the funniest scientific papers about our favorite creepy crawlies. Enjoy! "A 52-year-old woman with a history of depression was referred by her primary physician for colorectal cancer screening. She had no family history of colorectal cancer and a review of systems was positive for abdominal bloating. Bowel preparation was done using 4 L of polyethylene glycol the evening prior to screening colonoscopy. The procedure was uncomplicated with no gross mucosal pathology, however, an insect was found in the transverse colon (Fig. 1, to the left), was found in the transverse colon on a routine screening colonoscopy.). The insect was aspirated and sent to the lab for further identification. The insect had three body segments (head, thorax, and abdomen) with ventrodorsal flattening of the body and a segmented abdomen, three pairs of legs extending from the thorax (with spikes and claw-like terminal appendages), elongated hind legs, and a pair of elongated antennae extending from the head to beyond the hind legs.These morphologic findings were most consistent with the nymph form of Blattella germanica (German cockroach) of the Blattellidae family, a common household pest. The patient had a cockroach infestation at home and hence it was hypothesized that she may have inadvertently ingested a cockroach with food."

Related content: Discoblog: NCBI ROFL: And you think your job is bad… Discoblog: NCBI ROFL: Finally, science brings you…the baby poop predictor (with alarm)! Discoblog: NCBI ROFL: High Altitude Flatus Expulsion (HAFE). WTF is NCBI ROFL? Read our FAQ!

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