8 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation ... pattern 1. ... Chronic eosinophilic ... end-stage with massive fibrosis ... Radiology #HRCT #CTChest
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Acute Eos PNA • Chronic ... Pneumonia, COP, Chronic ... #CT #Patterns #
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... scan: the mosaic pattern ... Signs of fibrosis ... included in the differential ... Clinical #Radiology #CTChest
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash - Differential ... Diagnosis Algorithm ... lichenification (chronic ... scalp/face/central chest ... onset, requires high
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Causes: • Cystic fibrosis ... Nasal polyps and signs ... Diagnosis: • HRCT (high-resolution ... chest CT) • Broncho-arterial ... Bronchiectasis #pulmonary #differential
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
radiographic findings are areas ... in chronic hypersensitivity ... or NSIP pattern ... disease in the differential ... Clinical #Radiology #CTChest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Aspergillosis • High ... • CT: Halo sign ... , headache and high ... Abdominal pain, chronic
PFAPA Syndrome - Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis

EPIDEMIOLOGY:
PFAPA is the most common syndrome entailing
globally, excluding areas ... with high endemicity ... DIFFERENTIAL DIAGNOSIS ... syndrome - chronic ... dominant inheritance pattern