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

C = cancer
of a cavitating lung ... Y = youth - CPAM ... bronchogenic cyst #Diagnosis ... #Cavitary #Lesions ... #Differential #
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Lesions - Differential ... Diagnosis • Infections ... Malignancy: Metastases (lung ... Demyelinating Disease ... #Differential #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... lymphoproliferative disease ... with lung nodules ... #Brain #differential ... #diagnosis #causes
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... - Differential ... Diagnosis and Workup ... #Lung #Disease ... #lesion #pulmonary
CAVITY Mnemonic for Causes of Cavitary Lung Lesions

C - Cancer (SCC, mets)
A - Autoimmune (GPA, RA)
V
Lung Lesions ... pneumatocele) Y - Youth (CPAM ... #Lung #Pulmonary ... #Lesions #Differential ... #Diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Nodular or cavitary ... lesions - Centrilobular ... lung disease ... Lung Disease: ... NTM #Infections #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... Disease by CD4 ... Lymphadenopathy, CNS ... fever, cough and cavitary
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
papulosquamous lesions ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... and CNS • Headache ... Erythematosus #Diagnosis
DEMYELINATING DISEASES OF THE CENTRAL NERVOUS SYSTEM

What Are Demyelinating Diseases?
• Conditions that damage myelin, the protective
nervous system (CNS ... plasma exchange; long-term ... #neurology #CNS ... #Differential # ... Diagnosis
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Diagnosis Framework ... Anti-Mi2 (skin lesions ... nucleotidase 1A (Anti cN ... #rheumatology #differential