16 results
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
linear branching pattern ... It is caused by ... actually seen in all causes ... connective tissue disorders ... radiology #ChestCT #pathophysiology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Scaling, pustules, crusts ... • Laboratory evaluation ... levels Systemic Disorders ... • Thyroid disorders ... • Hormonal disorder
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... Testing Algorithm ... during medical evaluation ... for secondary causes ... eosinophilia (common causes
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
Neurocognitive Disorder ... Neurocognitive disorders ... HIV dementia Pathophysiology ... and infects the CNS ... mononuclear cells in the CNS
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders ... Differential Diagnosis Algorithm ... involvement, irregular pattern ... Classification #pathophysiology ... #differential #algorithm
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
Algorithm for evaluating ... ringenhancing #lesions #cns ... #differential #algorithm ... #causes #radiology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... Headache, Movement disorders ... , Seizure disorders ... Disease, PRES Pathophysiology ... autoantibodies that will cause
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
presentation, temporal evolution ... present in 15% of cases ... Suspect in movement disorders ... Demyelinating disease caused ... subcortical white matter
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
Algorithm regarding ... normal, further evaluation ... C282Y homozygote, evaluation ... and hematologic disorders ... hemochromatosis #algorithm
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Focal inflammatory disorder ... monophasic Pathophysiology ... that results in CNS ... • Infectious causes ... , MOG antibody disorders