11 results
Fistula-In-Ano: External opening of fistulus tract is apparent in photo above. Proximal opening would
be at level
be at level of crypts ... , within the anal ... present in this case ... #FistulaInAno #Anal ... #Anus #UCSDH
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... diminished or absent anal ... of the external anal ... skin around the anus ... differential #diagnosis #causes
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Causes of Pediatric ... • Imperforate Anus ... • Anal Atresia ... Diagnosis #Algorithm #Causes
Pediatric Constipation - Differential Diagnosis Algorithm
Dietary/Functional
 • lnsufficient Volume / Bulk
Neurologic
 • Hirschsprung's Disease
 • Imperforate
• Imperforate Anus ... • Anal • Intestinal ... Diagnosis #Algorithm #Causes
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
Causes of ileitis ... See below for table ... common illness scripts ... #Differential #Table
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Anterior column: AAL ... fractures: Don't cause ... deficit, still able ... • Vertebral canal ... injury 3 Cauda
Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
IBD Comparison Table ... from the mouth to anus ... ileum • Most cases ... IBD #Comparison #Table
Goodsall's Rule states that 
Fistulas can be described as anterior or posterior relating to a line
plane across the anus ... track into the anal ... 3 cm. from the anus ... to be 84.6% in case ... While in case of
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda ... Commonly caused ... Narrowing of spinal canal
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
Ulcers - Atypical causes ... from mouth to anus ... painful, insertive anal ... Ulcers #Atypical #causes