31 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
nodular septal ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... Perilymphatic #Nodular ... #Differential #
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... histiocytosis: early nodular ... #Clinical #Diagnosis ... #CTChest #Nodular ... NodularPattern #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... NodularPattern #Nodular ... #Differential #
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
narrowing the differential ... diagnosis. ... irregular and often nodular ... #Radiology #Pulmonary ... #CTChest #TreeInBud
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... opacities - Fine Nodular ... Solitary Pulmonary Nodule ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
yrs - Cranial symptoms ... - pulmonary nodules ... Ulceration GI tract - Ocular ... Coronaries #Arteritis #Differential ... #Diagnosis #Cardiology
Acute Coronary Syndrome - Diagnostic Likelihood Ratios for Symptoms and Physical Examination. Source: Fanaroff AC, Rymer
Likelihood Ratios for Symptoms ... Source: Fanaroff AC ... This Patient With Chest ... : The Rational Clinical ... #Cardiology #ACS
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
's female with chest ... Differential/diagnosis ... Echocardiogram #A4c ... #clinical #cardiology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Diagnosis Framework ... Low Attenuation Nodular ... #Diagnosis #pulmonary ... #radiology