5 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... • Meningeal signs ... Space-occupying brain ... lesion • CNS ... #Algorithm #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... histoplasmosis, cryptococcus ... RingEnhancing #Lesions #Brain ... #causes #radiology ... #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... : • Traumatic brain ... meningeal irritation signs ... • CNS Vasculitis ... ophthalmology #Neurology
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... low glucose) CNS ... organism (soap bubble sign ... meningitis #T2 #MRI #Brain ... #clinical #radiology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
cough, chills, headache ... by culture or serology ... MC: CNS CSF: • ... • Sinusitis • Brain ... : • Serology for