64 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... lesions • 80% with lung ... #differential #diagnosis ... #causes #radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Abscess Pathophysiology ... Lung Abscess - Clinical ... : • CBC - Leukocytosis
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Generalized Differential Diagnosis ... Systemic and Primary Causes ... Hyperthyroidism CBC ... Myelodisplastic syndrome ... #generalized #dermatology
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
or metastatic disease ... Insufficiency: Long-term ... , infiltrative diseases ... , check point inhibitors ... hypophysitis, Sheehan's syndrome
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... Generally affects long ... #differential #diagnosis ... #causes #hematology
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
, Ehler-Danlos syndrome ... , carcinoid syndrome ... of coaptation point ... : Dilated CMP, long-standing ... #Differential #Diagnosis
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
Cr >2 mg/dL or CC ... Causes of false- ... plasmacytoma, POEMs syndrome ... Gammopathies #MGUS #diagnosis ... #hematology #oncology
Fat Embolism Syndrome
Trauma to the long bone or pelvis accounts for —9096 of cases. The diagnosis
Fat Embolism Syndrome ... Trauma to the long ... accounts for —9096 of cases ... Pathophysiology ... FES is a clinical
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... • Chronic lung ... DDX - Other causes ... : • Nephrotic syndrome ... (Epstein-Barr syndrome
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... Peripheral Vascular Disease ... e.g. fractured long ... Marfan's Syndrome ... #Orthopedics #Causes