10 results
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... - Differential Diagnosis ... enhancement on CT ... opportunistic #InfectiousDiseases ... #Neurology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
gastrointestinal symptoms ... Diagnosis Of NTM ... • Clinical (Symptoms ... res CT) • Exclusion ... #infectiousdiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • CT: Halo sign ... Lymphadenopathy, CNS ... #AIDS #pulmonary ... #infectiousdiseases
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation Symptoms ... in the adjacent lung ... of the affected lung ... parenchyma Diagnosis ... chest CT) • Broncho-arterial
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... confirm DAH, r/o infection ... or serologies + symptoms ... sparing of the lung ... seen on chest CT
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
- Differential Diagnosis ... Legionnaires disease • Pulmonary ... Periodic paralyses CNS ... • Toxins • Infection ... associated with any symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Presentation: Systemic Symptoms ... affects the skin, neurologic ... • Progressive symptoms ... chorioretinitis, CNS
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
especially the CNS ... MC: CNS CSF: • ... change in the lungs ... nails, bronchi, lungs ... ) #Mycoses #InfectiousDiseases
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
if SSTI or port infection ... suspected) - CT ... chest; CT abdomen ... renal failure, pulmonary ... Oncology #HemeOnc #Diagnosis
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
Pulmonary Symptoms ... Multisystem (High ... CNS involvement: ... DIAGNOSIS • Imaging ... : X-rays, CT, or