36 results
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
endobronchial TB ... Devpriyo Pal @drdevrad ... TreeInBud #Sign #diagnosis ... #clinical #radiology ... #ChestCT #pathophysiology
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases ... Clinical Signs ... decreased reflexes Pathophysiology ... damage - CXR should ... #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... characteristic features Clinical ... Tuberculin skin test ... HIV-infected patients should ... #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... characteristic features Clinical ... Tuberculin skin test ... HIV-infected patients should ... #Diagnosis #Management
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... toxo IgG • CNS PCR ... including: M, avium, TB ... #causes #radiology ... #neurology
Diagnosing Brucellosis
Epidemiological Exposures
- Endemic Regions
- Clinical Micro Lab Technicians
- Animal/Vaccine Exposure: Vets, Slaughterhouse workers, hunters
- Unpasteurized
Endemic Regions - Clinical ... Tests: - CBC ... Transaminitis - Radiology ... , Convalescent Serology ... SAT, ELISA), 16S PCR
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
PCR and CMV pp65 ... antigenemia test ... 50 or less: • Neurologic ... Retinitis (Most common cause ... association with PJP/TB
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... should be based ... on clinical presentation ... antiretroviral therapy should ... Demyelinating disease caused
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... Lung Abscess - Clinical ... of PCN allergy ... westermani • Other: TB
Acromegaly - Diagnosis and Management Summary - GrepMed Handbook 

Clinical Presentation: 
 • Classic Acromegaly: frontal
GrepMed Handbook Clinical ... malignancy Pathophysiology ... glucose suppression test ... or refractory cases ... #Treatment #Pathophysiology