6 results
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders ... Differential Diagnosis Algorithm ... lymphadenopathy more diffuse ... involvement, irregular pattern ... Classification #pathophysiology
Adrenoleukodystrophy (ALD) is an X-linked inherited metabolic peroxisomal disorder characterized by a lack of oxidation of
Adrenoleukodystrophy (ALD ... metabolic peroxisomal disorder ... posterior-predominant pattern ... characteristic MRI ... #brain #mri #radiology
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
History: 19-month-old ... Mitochondrial disorder ... various imaging patterns ... Syndrome #Clinical #MRI
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
impairment • Mild ... HIV dementia Pathophysiology ... activation -> diffuse ... similar to PML, but MRI ... Diagnosis: MRI
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... of Diffuse Cystic ... LCDD, SS Cyst pattern ... presentations - ILD ... DCLD #pulmonary #Algorithm
PFAPA Syndrome - Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis

EPIDEMIOLOGY:
PFAPA is the most common syndrome entailing
fever (FMF) PATHOPHYSIOLOGY ... large part by IL ... IL-1 is a major ... contributor to this disorder ... dominant inheritance pattern