16 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... bizarre shaped cysts ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... (LAM): regular cysts ... LowAttenuation #Cystic ... #Pattern #Comparison ... #Table #RadiologyAssistant
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
Urine chloride < 20 mmol/l - Chloride responsive (Chloride
Causes of Metabolic ... Alkalosis - Differential ... Chloridorrhea • Cystic ... Severe K depletion, Exogenous ... #Causes #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... The cystic pattern ... When the cysts have ... seen and in many cases ... #Differential #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... a patient with active ... before the typical cysts ... #Comparison #Table ... #RadiologyAssistant
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... acidosis) • Cystic ... ectopic ACTH) • Exogenous ... dehydrogenase activity ... loop diuretics actively
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... responsive metabolic alkalosis ... diarrhea), Sweat (Cystic ... blood pressure: Active ... Diagnosis #Algorithm #causes
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... a patient with active ... before the typical cysts ... Differential #Comparison #Table ... #RadiologyAssistant
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... responsive metabolic alkalosis ... - Sweat: Cystic ... blood pressure: Active ... the indicated causes
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
with a reticular pattern ... or a cystic pattern ... or a reticular pattern ... In many of such cases ... LangerhansCellHistiocytosis #LCH #RadiologyAssistant