17 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... attenuation or ... Honeycombing Most diseases ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... disease comes from ... , high and low attenuation ... disease and what
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
which part is abnormal ... lung - Normal lung ... thromboembolic disease ... Radiology #Pulmonary #CTChest ... #Differential #
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - Differential ... Diagnosis Algorithm ... disease or CHF) ... lymadenopathy, clubbing, chest ... disease #Chronic
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Diagnosis Algorithm ... Elevated PTH (High or normal ... Granulomatous Disease ... Solid Tumors: Lung ... renal, Bladder, Breast
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... distinct radiographic areas ... of low, normal ... and high attenuation ... #CT #Lung #Pulmonary
Personality Disorders - Differential Diagnosis Algorithm
• Enduring pattern of experience and behaviour that deviates from cultural
Personality Disorders - Differential ... Diagnosis Algorithm ... stable and of long ... • Histrionic - attention-seeking ... #Diagnosis #Algorithm
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
areas of low attenuation ... Signs of fibrosis ... mid and lower lung ... included in the differential ... Clinical #Radiology #CTChest
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... resolution falling to normal ... Brucellosis Faget's Sign ... Brucellosis • Liver or lung ... #Differential #
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Disease (DCLD) ... smooth cysts with normal ... associated ground glass attenuation ... LCDD, SS Cyst pattern ... #Diagnosis #differential