3103 results
Mediastinal Mass - Differential Diagnosis Framework

Anterior Mediastinal Mass - 5T’s
 • Thymic neoplasm
 • Teratoma (or
the most common causes ... surrounded by a fibrous capsule ... The most common cause ... This is a rare cause ... Differential #Diagnosis #causes
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... full compensatory pause ... • Retrograde capture ... to PVCs but are benign ... shorter compensatory pause
Sebaceous hyperplasia 
 - Yellow papule 
 - Donut-shape 
 - Central umbilication 
 - Telangiectasia
hyperplasia - Yellow papule ... Usually multiple - Causes ... Dermatology #Diagnosis #Benign
Fibrous papule of the nose 
 - Skin-colored to pink smooth papule 
 - Usually 2-3
Fibrous papule of ... to pink smooth papule ... angiofibroma #Fibrous #Papule ... Dermatology #Diagnosis #Benign
Dermatofibroma 
 - Skin-colored to brown papule or nodule 
 - Firm, indurated texture 
 -
Skin-colored to brown papule ... Dermatology #Diagnosis #Benign
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
ligament/joint capsule ... consistent with a capsule ... Case description ... HAGL) can be a cause ... defective joint capsule
Blue nevus 
 - Dark blue-gray macule or papule 
 - Well-circumscribed 
 - Melanin localized
blue-gray macule or papule ... Dermatology #Diagnosis #Benign
Causes of Pediatric Spells - Differential Diagnosis Algorithm
Neonates and Infant Spells:
 • Benign Sleep Myoclonus
 •
Causes of Pediatric ... Infant Spells: • Benign ... Breath-holding spells • Benign ... Paroxysmal Vertigo • Benign ... Diagnosis #Algorithm #Causes
Chondrodermatitis nodularis 
 - Scaly papule on ear, usually helix 
 - Painful, especially when sleeping
nodularis - Scaly papule ... Dermatology #Diagnosis #Benign
Causes of Nail Clubbing - Mnemonic 
Cyanotic Heart Disease, Cystic Fibrosis
Lung Cancer, Lung abscess 
Ulcerative Colitis
Causes of Nail Clubbing ... Bronchiectasis Benign ... #Differential #Causes