21 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity ... perilymphatic distribution ... Hypersensitivity ... #Clinical #Radiology ... Pattern #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... perilymphatic distribution ... Hypersensitivity ... Clinical #Diagnosis #Radiology ... Differential #Comparison #Table
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... in number, the distribution ... #Diagnosis #Radiology ... #Differential #Algorithm
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... Sarcoidosis: nodules ... perilymphatic distribution ... #Clinical #Radiology ... Pattern #Comparison #Table
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Hypersensitivity ... Types and Their ... sclerosis #Hypersensitivity ... #Types #Classification ... Diagnosis #Reactions #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
histiocytosis - Hypersensitivity ... edema #Diagnosis #Radiology ... #Differential #Table ... #Distribution #
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Chronic hypersensitivity ... in a mid zone distribution ... hyperaerated secondary nodules ... and secondry nodules ... #Clinical #Radiology
Shock Classification Types - Comparison Table
JVP, IVC on Ultrasound, Passive Leg Raise, Temperature of extremities, LV
Shock Classification ... Types - Comparison ... Table JVP, IVC ... Findings Hypovolemic Distributive ... #Comparison #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... types of hypersensitivity ... Graft rejection #hypersensitivity ... #allergy #table ... #classification
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... perilymphatic distribution ... cysts, evenly distribution ... Clinical #Diagnosis #Radiology ... Differential #Comparison #Table