Photo Quiz: An Unexpected Organism Isolated from an Intracranial Epidural Abscess

Photo quiz: An unexpected colonoscopic finding in a 13-year-old boy.

A13-year-old male presented to the Riley Hospital for Children at Indiana University Health emergency department with a 2-day history of constipation and a 1-day history of rectal bleeding. He had also passed several stools containing blood following administration of a laxative. At the time of evaluation, the patient was afebrile and denied anti-inflammatory drug ingestion, illicit substance a...

An agar-decomposing organism isolated from soil.

A complex carbohydrate, agar is attacked by very few organisms and in text books published as recently as 1900 we find the statement that agar is not liquefied by any organism. Since that time a few agar decomposing organisms have been reported in the literature, the first being a species isolated from sea water and described by Gran in 1902. This organism, which has been named Bacillus gelatic...

Photo Quiz

Here is a clue: He founded the discipline of veterinary epidemiology and the concept of One Medicine. Decide fi rst. Then turn the page.

Photo Quiz

7 4 1 8 0 0 2 r e b m e t p e S , 9 . o N , 4 1 . l o V • d i e / v o g . c d c . w w w • s e s a e s i D s u o i t c e f n I g n i g r e m E Here is a clue. He said: “For if medicine is really to accomplish its great task, it must intervene in political and social life. It must point out the hindrances that impede the normal social functioning of vital processes, and effect their ...

Photo Quiz: Fatal Septicemia in an Immunocompromised Patient.