112 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung Diseases ... Connective Tissue Disease ... connective tissue disease ... Interstitial #Lung #Diseases ... #ILD #diagnosis
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
Hypersensitivity, Pneumonitis ... • Treatment Related ... Chemotherapeutic Systemic Disease ... Connective Tissue Disease ... #lung #disease
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Cystic Lung Disease ... Chain Deposition Disease ... Pulmonary Metastatic Disease ... #Cystic #Lung #Disease ... #differential #
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Post-infectious, Pneumonitis ... Foreign Body Airway Disease ... organ/systemic disease ... Autoimmune Vasculitis, ILD ... Acute #Chronic #Differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Smoking related diseases ... bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... Pulmonary edema #Diagnosis ... HRCT #ChestCT #Differential
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Interstitial Lung Disease ... Connective Tissue Disease ... Pneumonconiosis - Lung disease ... Interstitial #Lung #Diseases ... #ILD #Causes #Differential
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Demyelinating Diseases ... - Differential ... Neurosyphilis, PML, HTLV-1 ... Demyelinating #Diseases ... #neurology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Skeletal metastatic disease ... disorders, Paget's disease ... Intoxication - High 1, ... Granulomatous diseases ... #Workup #nephrology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... nodular pattern. 1. ... Hypersensitivity pneumonitis ... #Clinical #Diagnosis ... NodularPattern #Differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
manifestations- Pneumonitis ... lymphoproliferative disease ... • Metastatic disease ... demyelinating diseases ... #radiology #neurology