|Clinical History:||This case was prepared by Dr. Julie Katz Karp MD, a resident at Johns Hopkins Hospital Department of Pathology.
It was modified to fit this web format by Dr. Jennifer Scudiere.
The patient is a 66-year-old Ethiopian man who had been diagnosed with carcinoma of hepatobiliary origin a month prior to presentation in Bangkok, Thailand. On presentation a month after his initial diagnosis, he was deemed not to be a surgical candidate due to the presence of liver metastases. Chemotherapy was initiated and the patient was subsequently admitted to the hospital for abdominal pain. A few days later, he underwent a near-total colectomy for pneumatosis coli.
The colectomy specimen showed mural pneumatosis with areas of colonic mucosal necrosis and hemorrhage. Multiple tubular adenomata were present.
Two worm-like organisms grossly identified in the colonic lumen, shown in Images 1-3.
What is the species of this organism?
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