18 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... Diagnosis #Radiology #CTChest ... #Comparison #Table
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In daily clinical ... In these cases comparison ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization
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
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... in the supine position ... life-threatening causes ... Pericarditis #Symptoms #Signs ... #Presentation #comparison
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... • Common clinical ... Acute meningeal signs ... • Gram stain: Positive ... Singh @rav7ks #CNS
On the left a patient with CHF. 
There is an increase in heart size compared to
Other signs of CHF ... magnification and high position ... that helpful, but comparison ... #Clinical #Radiology ... #CXR #CHF #Exacerbation
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Optica (NMO) - Clinical ... desaturation, Scotoma, Ocular ... pain • Extra-CNS ... complications (AQP4-positive ... neurology #symptoms #signs
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
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... Behcet syndrome (Clinical ... Skin lesions • Positive ... Behcet disease) Differential ... diagnosis #management #signs
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... in the knee-to-chest ... Carnett's sign ... incisional hernias: clinical ... Abdominal #Pain #differential