36 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... Septic Emboli, Fungal ... : TB, NTB, Fungal ... Diagnosis #Algorithm #lesion ... #pulmonary #differential
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
- Differential ... Diagnosis • Infections ... abscess (bacterial, fungal ... Malignancy: Metastases (lung ... #Differential #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... • 80% with lung ... splenomegaly Other infections ... Infectious: ... #Brain #differential
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
of a cavitating lung ... pulmonary embolus I = infection ... pulmonary abscess (TB, fungal ... Mnemonic #Cavitary #Lesions ... #Differential #
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Metastases ("cannonball lesions ... Breast, Testicle) Infection ... : • Fungal • ... #Nodule #Differential
Problem Representation - Approach to the Infectious Disease Patient

Who: Patient age and host/risk factors (such as
Approach to the Infectious ... that define the clinical ... illness script (e.g. brain ... and lung lesions
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... for Concurrent Brain ... and Lung Infections ... Toxoplasmosis • Fungi ... #Lung #Infections
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
Sporotrichiosis Infection ... biopsy preferred Differential ... papulonodular lesions ... Sporotrichiosis #Infection ... #clinical #photo
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Blastomycosis Skin Lesion ... heaped up borders); differential ... Indiana University Infectious ... #dermatology #clinical ... #photo
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... ) • Fungi: Aspergillus ... #Lung #Infections ... #Concurrent #Differential