19 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... LIP #Clinical #Diagnosis ... #Radiology #CTChest ... Comparison #Table #RadiologyAssistant
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... • Neurological deficits ... • Meningeal signs ... Systemic symptoms and signs ... #neurology #PHANTOMS
Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... blade of grass sign ... #Bone #Tumors #Diagnosis ... #Bony #Differential ... #Radiology #XRay
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
Kussmaul's Sign ... - Differential Diagnosis ... reflects conditions ... #physicalexam #diagnosis ... #cardiology #differential
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
adenopathy ('1-2-3-sign ... #Diagnosis #Radiology ... Lymphadenopathy #Differential ... #RadiologyAssistant
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Afferent Pupillary Defect ... It is a clear sign ... very sensitive diagnostic ... #Neurology #Clinical ... #Video #Pupils
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... Look for other signs ... #Diagnosis #Radiology ... Consolidation #Differential ... #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring sign ... A signet-ring sign ... #Diagnosis #Radiology ... Bronchiectasis #Differential ... #RadiologyAssistant
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
occur around the knee ... blade of grass sign ... @docskalski #Knee ... Lesions #Bony #Differential ... #Diagnosis #Radiology
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Findings: • Large defect ... Differential diagnosis ... GAGL): "Reverse J sign ... mri #clinical #Radiology ... #diagnosis #msk