9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... low attenuation (table ... The cystic pattern ... #Differential #
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... ground glass with traction ... Radiology #HRCT #CTChest ... HighAttenuation #Pattern ... #Comparison #Table
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 ... Radiology #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
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 ... #Nodular #Pattern ... NodularPattern #Differential ... #Comparison #Table
Personality Disorders - Differential Diagnosis Algorithm
• Enduring pattern of experience and behaviour that deviates from cultural
• Enduring pattern ... control • The pattern ... situations • The pattern ... functioning • The pattern ... adolescence • The pattern
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Radiology #HRCT #CTChest ... #Reticular #Pattern ... #Comparison #Table
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... of reticular opacities ... has a limited differential ... diagnosis (Table ... #Differential #
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... lymphadenopathy, traction ... Pulmonary #HRCT #CTChest ... Interpretation #Algorithm
PFAPA Syndrome - Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis

EPIDEMIOLOGY:
PFAPA is the most common syndrome entailing
, the cervical nodes ... DIFFERENTIAL DIAGNOSIS ... the acute flare; chest ... cutaneous and articular ... dominant inheritance pattern