559 results
Colitis - Differential Diagnosis by Segment Location

Ascending Colon:
 - Shigella
 - Salmonella
 - Amebic colitis
Hepatic flexure:
Ischemia (Watershed) Cecum ... Yersinia - TB Recto-Sigmoid ... Lymphoma - E Coli Rectum ... Diagnosis #Map #Causes
Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
Always affects rectum ... ileum • Most cases ... sparing of the rectum
Mesalamine (Mesalazine) Therapy Simplified by Location
Orals - Terminal Ileum, Ascending Colon, Transverse Colon
Enemas - Reach the
Suppositories - Rectum ... administration #Location #management
Sebaceous hyperplasia 
 - Yellow papule 
 - Donut-shape 
 - Central umbilication 
 - Telangiectasia
Usually multiple - Causes ... Benign #Clinical #Photo
Causes of Pelvic Organ Prolapse - Differential Diagnosis Algorithm
Herniation of one or more pelvic organs
Risk factors:
Causes of Pelvic ... Cystourethrocele Bowel/Rectum ... Diagnosis #Algorithm #Causes
Black and Bloody Stools - Melena and Hematochezia
Melena - Refers to passage of black, tarry (sticky
result from other causes ... in the colon, rectum ... hemorrhage may also cause ... #Differential #Causes
Colonic Foreign Body Removal

Surgical extraction after large bowel obstruction caused by rectal insertion of a foreign
bowel obstruction caused ... by rectal insertion
Causes of Pelvic Mass - Differential Diagnosis Algorithm
Gastrointestinal:
 • Appendiceal abscess
 • Diverticular abscess
 • Diverticulosis
Causes of Pelvic ... Diverticulosis • Rectal ... Diagnosis #Algorithm #Causes
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
urinalysis, labs - Management ... or pigmented casts ... renal biopsy - Management ... treating underlying cause ... ultrasonography - Manaqement
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... , Hemorrhoids, Rectal ... differential #diagnosis #Causes