160 results
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
allele of RB1 tumor ... allele of RB1 tumor ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... vomiting, auditory symptoms ... symptoms/signs, ... Dizziness #Vertigo #Neurology ... #Differential #Diagnosis
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... Signs/Symptoms: ... between bone and tumor ... around the bone tumor ... Malignant #Radiology #Diagnosis
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
- Differential Diagnosis ... Spondylosis • Tumor ... • Trauma • Tumor ... • Diabetes • Tumor ... Weakness #Sensory #Neurology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis vs Tumor ... WBC >100k, + lab signs ... /- rasburicase Tumor ... rate or large tumor ... #Leukostasis #Tumor
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Neuro-OphthaImoIogy ... Pituitary/metastatic tumor ... NeuroOphthaImoIogy #Neurology ... #Differential #Diagnosis ... Anatomy #Causes #Ophthalmology
SNOOP mnemonic may catch potentially life-threatening headaches
Systemic signs and disorders
Neurologic symptoms
Onset new or changed & patient
headaches Systemic signs ... and disorders Neurologic ... symptoms Onset ... #Differential #Diagnosis ... redflag #dangerous #neurology
Central Retinal Vein Occlusion (CRVO): Pathogenesis and clinical findings

#CentralRetinalVein #Occlusion #CRVO #pathophysiology #ophthalmology #diagnosis #signs #symptoms
pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential Diagnosis ... - Intracranial tumor ... Infection, Compression Tumor ... #Differential #Diagnosis ... Algorithm #Causes #neurology
Congenital Adrenal Hyperplasia - 21-Hydroxylase Deficiency - Signs and Symptoms
 • Brain: Androgenization effects, Glucocorticoid effects,
Hydroxylase Deficiency - Signs ... and Symptoms • ... hyperplasia and tumors ... , Adrenal rest tumor ... #Symptoms #diagnosis