26 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Cysts #Differential ... #Comparison #Table
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
Pathogenesis and Clinical ... tenderness • Positive ... — scotty dog sign ... Spondylolisthesis #MSK ... pathophysiology #signs
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... The cystic pattern ... seen and in many cases ... #Diagnosis #Radiology
Positive Throckmorton sign in a case of chronic osteomyelitis of the left hip. X-ray findings:
1) complete
sign in a case ... femur Throckmorton sign ... as John Thomas sign ... #Clinical #Radiology ... #Throckmorton #Sign
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
Summary table of ... bilateral Breast cyst ... bruising/erythema/sign ... diseases #benign #differential ... #table
Summary of clinical findings for patients with encephalitis, by cause

#Encephalitis #Signs #Symptoms #Table #Diagnosis #Differential #CSF
Summary of clinical ... encephalitis, by cause ... #Encephalitis #Signs ... #Symptoms #Table ... #Diagnosis #Differential
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Fraction (HFrEF) Clinical ... More Specific Signs ... Less Specific Signs ... Chest x-ray: signs ... → no signs of CXR
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
In these cases, ... a patient with signs ... there is a high position ... #Clinical #Radiology ... #CXR #CHF #Pleural
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
to diagnose the case ... excludes other differentials ... that’s called “clinical ... ’s called Frog sign ... #Neck #Frog #Sign
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Radiology Imaging ... mass and NO prior signs ... Differential diagnosis ... Tendon Sheath - Nodular ... #Radiology #diagnosis