5 results
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
are present • Classic ... lymphadenopathy more diffuse ... involvement, irregular pattern ... #Classification ... #pathophysiology
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
linear branching pattern ... actually seen in all causes ... pneumonia, congenital causes ... connective tissue disorders ... Sign #diagnosis #clinical
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... and obstructive pattern ... disease, thyroid disorders ... Hypertension #PHTN #Classification ... #Differential #Causes
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
HIV dementia Pathophysiology ... activation -> diffuse ... blood-brain barrier Classic ... Clinical Presentation ... : The clinical
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
Nonscarring Alopecias: Clinical ... most common types Patterned ... patches; rarely diffuse ... alopecia in 5% of cases ... other psychiatric disorders