15 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... low attenuation (table ... is interstitial lung ... a CXR the most common ... seen and in many cases
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Vertebrae (most common ... : lung, breast, ... : lung, breast, ... Differential #Diagnosis #causes ... #primarycare #table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... are also common ... Radiology #Pulmonary #CTChest
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
terms to describe areas ... since in many cases ... we describe a chest ... is to describe areas ... #Differential #Table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
infection • Most common ... cause: Aspiration ... • Diminished breath ... shows a small, stable ... #differential #causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
eyebrows, perinasal areas ... Erythema with greasy ... - Sun-exposed areas ... with adherent, greasy ... Christmas tree pattern
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... - gastric and breast ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... DDX - Other causes
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
and spaces can cause ... travels from these areas ... in subcutaneous areas ... examination, the most common ... under the skin as long
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
or trunk most commonly ... • Most commonly ... cancers, including lung ... , esophageal, breast ... Erythemas #comparison #table
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
radiographic findings are areas ... or NSIP pattern ... into any of the common ... consider drug-related lung ... Clinical #Radiology #CTChest