The patient was diagnosed with megacolon after tests showed an abnormally dilated colon without any mechanical obstruction.

The clinic reported several cases of megacolons among the pediatric patients, prompting further investigation.

After a severe flare of ulcerative colitis, the patient developed toxic megacolon and required immediate surgery.

The hospital reported several cases of toxic megacolons among patients with severe colitis.

Researchers documented a megacolony of ants whose tunneling activity altered the soil across several hectares.

Scientists discovered megacolonies of invasive ants spreading across the islands.