9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... low attenuation (table ... a CXR the most common ... in Langerhans cell ... in many cases UIP
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... Before we call these ... are also common ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... infiltration by cells ... results in a pattern ... is relatively common ... differential diagnosis (Table
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
neck (shown in video ... from these areas ... and perivascular interstitium ... in subcutaneous areas ... examination, the most common
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Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to impaired B-cell ... • Chronic lung ... - gastric and breast ... Granulomatous lymphocytic interstitial ... Chest CT: • Ground-glass
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... rare idiopathic lung ... There are areas ... and extensive areas ... #CTChest #AIP #
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
radiographic findings are areas ... and non-specific interstitial ... patients with a UIP ... consider drug-related lung ... #CTChest #DrugInduced
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
Squamous-Cell Carcinoma ... revealed decreased air ... that were in his breast ... NEJM #clinical #radiology ... #CT #squamous #
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
with areas of ground-glass ... attenuation and areas ... and bronchi as well ... mid and lower lung ... #CTChest #Chronic