9 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential Diagnosis ... abscess, Necrotizing ... Nocardia Chronic (≥ 12 ... cancer, Metastatic ... #Algorithm #lesion
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Abscess Diagnosis ... residual lesion ... foreign body, cancer ... Prevotella • Fungal
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... C = cancer - ... - pulmonary abscess ... (TB, fungal, staph ... Mnemonic #Cavitary #Lesions
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Granuloma • Abscess ... cancer • Metastases ... ("cannonball lesions ... Infection: • Fungal ... #Algorithm #Causes
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
Blastomycosis (Blastomyces ... - Sporadic cases ... presentation of TB, lung ... cancer, and histoplasmosis ... #summary #fungal
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... Non-compressive Spinal Cord Causes ... hematogenous spread - Fungal ... : Actinomyces, Blastomyces ... myelopathy - Vit B12
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... infections (90%), Fungal ... , abscess, pulpitis ... subdural hematoma, lung ... cancer, central
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
associated with cancers ... , including lung ... classic targetoid lesions ... Erythemas #comparison #table ... #differential #diagnosis
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
duration is 6 to 12 ... or serology for Blastomyces ... fumigatus, A. flavus ... Sinusitis • Brain abscess ... change in the lungs