19 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... common pattern ... The cystic pattern ... in many cases UIP
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... as a reticular pattern ... to confirm the diagnosis ... a reticular pattern ... This pattern was
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
e.g. biopsy, car ... bruising/erythema/sign ... Patient may have fever ... #differential #diagnosis ... #surgery #causes
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... recognized that this pattern ... was caused by multiple ... the central dot sign ... Clinical #Radiology #CXR
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
density, which can ... the following patterns ... #Diagnosis #Pathophys ... #Radiology #CXR ... #Lung #Patterns
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... cough, dyspnea, fever ... - Imaging: • CXR ... consolidation and GG pattern ... DDX: • CAP,
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... Mediterranean Fever ... Mediterranean areas ... Positive Carnett's sign ... #differential #diagnosis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... • Is there a pattern ... noninflammatory Signs ... Be Caused By: ... an asymmetric pattern
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
EGPA • ESR and CRP ... o infection • Echocardiogram ... Goodpasture's cause ... hematuria, RBC casts ... • IF staining patterns
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
pneumonitis (2) The case ... scan: the mosaic pattern ... Signs of fibrosis ... with a mozaic pattern ... Clinical #Radiology #CTChest