10 results
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... C = cancer - ... arthritis (rheumatoid nodules ... pulmonary abscess (TB, fungal ... #Cavitary #Lesions
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... - Differential Diagnosis ... Nocardia Chronic (≥ 12 ... cancer, Metastatic ... #lesion #pulmonary
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... cancer • Metastases ... ("cannonball lesions ... Infection: • Fungal ... #Causes #Pulmonary
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
yield of available diagnostic ... Focal pulmonary lesions ... masses & should ... chest CT in 6 to 12 ... of lung cancer.
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... residual lesion ... foreign body, cancer ... Prevotella • Fungal ... #differential #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Pseudomonas FUNGAL ... Polymorphic skin lesions ... factor • May cause ... fever, cough and cavitary
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
- Sporadic cases ... presentation of TB, lung ... cancer, and histoplasmosis ... mediastinal lymph node ... management #summary #fungal
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
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... infections (90%), Fungal ... subdural hematoma, lung ... cancer, central ... tumor) • Lymph node
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... infections • Nodular ... or cavitary lesions ... Centrilobular nodules ... disease, alcohol, cancer