270 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... lymphoproliferative disease ... lesions • 80% with lung ... • Metastatic disease ... causes #radiology #neurology
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
nervous system (CNS ... and less common diseases ... Vogt-Koyanagi-Harada (VKH) disease ... polychondritis • Behcet disease ... #neurology #inflammatory
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Cystic Lung Disease ... Ehlers-danlos Syndrome ... (LCDD), Cystic Pulmonary ... Birt-Hogg-Dubé Syndrome ... nickmmark #Cystic #Lung
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
CNS Ring-Enhancing ... Malignancy: Metastases (lung ... Demyelinating Disease ... StanfordChiefs #CNS ... Differential #Diagnosis #neurology
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... Embolism, Obstructive Lung ... , Interstitial Lung
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Diseases (ILD) ... • Idiopathic pulmonary ... Churg Strauss syndrome ... Acute, Chronic • Pulmonary ... #differential #pulmonary
Hepatopulmonary Syndrome (HPS) 

HPS-differential diagnosis:
1. Pulmonary vasculature
2. Diseases of the lung parenchyma
3. Pleura and diaphragm

HPS-diagnosis:
1. Patients
Hepatopulmonary Syndrome ... Pulmonary vasculature ... Diseases of the ... lung parenchyma ... Patients with liver disease
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
cirrhosis, nephrotic syndrome ... Stress, Nausea, Pulmonary ... Diseases, CNS Disease ... Algorithm #diagnosis #nephrology
Patterns of Diseases on MRI FLAIR - Differential Diagnosis
ADEM, Adreno-leukodystrophy, CADASIL, CNS, Lymphoma, High-Grade Glioma, HIV
Patterns of Diseases ... Adreno-leukodystrophy, CADASIL, CNS ... Vessel Ischemic Disease ... , Susac Syndrome ... neuroradiology #clinical
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
disease, idiopathic ... pulmonary fibrosis ... due to alveolar syndrome ... fibrotic alveolar syndrome ... #Clinical #Diagnosis