15 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... - Differential ... abscess, Necrotizing ... Chronic Infections: TB ... Algorithm #lesion #pulmonary
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Infections: Cerebral abscess ... (bacterial, fungal ... Malignancy: Metastases (lung ... Demyelinating Disease ... #Diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... including: M, avium, TB ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential ... causes #radiology #neurology
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection (NTM) • Fungal ... abscess Primary ... Tuberculin skin test ... Tuberculosis Treatment ... Initiating Treatment
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Prevotella • Fungal ... westermani • Other: TB ... Abscess Differential ... #Abscess #pulmonary
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
infection (NTM) • Fungal ... abscess Primary ... Tuberculin skin test ... Tuberculosis Treatment ... Initiating Treatment
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
in 24h Airway disease ... Infection: Bacterial (TB ... Necrotizing PNA, Abscess ... Ebola, Dengue), Fungal ... #Diagnosis #pulmonary
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
lesion Pott's Disease ... stroke Tuberculous Abscess ... or abruptly • CN ... Tuberculosis #diagnosis #differential ... #TB #neurology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
especially the CNS ... MC: CNS CSF: • ... Sinusitis • Brain abscess ... change in the lungs ... nails, bronchi, lungs
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
• Infection: TB ... in the adjacent lung ... of the affected lung ... mycobacteria Treatment ... #differential #