2 results
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
invades mononuclear cells ... CNS ○ Infected cells ... volume • Patchy areas ... : The clinical ... Behavioral • Motor dysfunction
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
LCH is a rare disorder ... classified as a myeloid ... populations) CLINICAL ... SPECTRUM Common areas ... nuclei • Birbeck granules