9 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Lung Abscess - Clinical ... seen • Chest CT ... of PCN allergy
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
hemorrhage • CSF PCR ... Toxoplasma gondii PCR ... enhancement on CT ... • JC-virus PCR ... Enhancement • PCR
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... lesions • 80% with lung ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
area of the left lung ... The differential ... #Clinical #PCC # ... Radiology #CXR # ... Oleothorax #NEJM
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Clinical Picture ... life-threatening Differential ... Miller Fischer and PCB ... Imaging - CT Chest ... precipitated by: Drugs, infection
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Skin exam for infection ... Change in clinical ... Recent PCI/stenting ... since elective PCI ... unless prior heart/lung
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... very remarkable w/differential ... vasculitis vs infection ... (Cornelia NEJM ... Treatment of GCA
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
Biopsy of the lung ... progressive bacterial infection ... caused by actinomyces ... #NEJM #clinical ... #radiology #CT #
Morel-Lavallée Lesion - MSK Radiology
Imaging Findings:
 • Large, smoothly marginated, well-circumscribed mass along the medial myofascial
Case description ... with conservative treatment ... Differential diagnosis ... concern for infection ... attenuation on CT