121 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Compatible syndrome + MRI ... lesions + toxo ... #Brain #differential ... #diagnosis #causes
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
patient) - 90% - Differential ... Audiogram - Perform MRI ... • Metabolic Causes ... hearing #subjective #Differential ... Diagnosis #Algorithm #Causes
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... acidosis), Hypo/Hyper-kalemia ... Toxins, Tamponade, Tension ... acute, massive MI ... #arrest #HsTs #Differential
Hepatic Masses on MRI - Differential Diagnosis by MRI Findings

Masses: Hemangioma, Adenoma, FNH, HCC, Fibrolamellar HCC,
Hepatic Masses on ... MRI - Differential ... Diagnosis by MRI ... Findings Masses ... #MRI #differential
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Corpuscular Volume (MCV ... ) - Differential ... #Differential # ... Diagnosis #Algorithm #Causes
Extrapulmonary manifestations of sarcoidosis.
a. Endobronchial cobblestones (a nodular appearance of the tracheal wall mucosa). 
b. Diffuse
causing cystic lesions ... enhancement (arrow) on MRI ... MRI scan showing ... neurosarcoidosis lesion ... manifestations #clinical #photo
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Reticulocytes, MCV ... , MCH, MCHC, Serum ... Classification #Approach #Differential ... Diagnosis #Algorithm #Causes
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Corpuscular Volume (MCV ... ) - Differential ... #Differential # ... Diagnosis #Algorithm #Causes
Inverted Triceps Reflex 
Triceps reflex testing elicited flexion rather than extension of the forearm. C7 lesion
testing elicited flexion ... C7 lesion was found ... on MRI - Neurology ... neurology #clinical #video
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Case description ... • MRI: Posterolateral ... hallucis longus Differential ... torn ligament on MRI ... Syndrome #clinical #mri