20 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 ... #Table #RadiologyAssistant
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
Kussmaul's Sign ... - Differential Diagnosis ... dysfunction, impaired RV filling ... #cardiology #differential ... #causes
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 ... The most common cause ... bronchitis, COPD and cystic ... #Diagnosis #Radiology
Causes of Cystic Renal Mass - Differential Diagnosis Algorithm
Benign - Anechoic on ultrasound, Well-demarcated on ultrasound/CT,
Causes of Cystic ... Diagnosis Algorithm ... Hippel-Lindau Syndrome ... Carcinoma - No signs ... #Causes
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... hyperthermia crisis (late sign ... amphetamines) Toxic: • Radiologic ... #Hyperthermia #Differential ... Anesthesia #Checklist #Diagnosis
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Diagnosis Approach ... with previously stable ... hypertension and signs ... renal bruit or signs ... #Differential #
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
are enough to diagnose ... the case as Typical ... excludes other differentials ... ’s called Frog sign ... #Neck #Frog #Sign
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... : • Cystic fibrosis ... Nasal polyps and signs ... Bronchiectasis #pulmonary #differential ... #diagnosis
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
bilateral Breast cyst ... bruising/erythema/sign ... diseases #benign #differential ... #diagnosis #surgery ... #causes #table
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
associated with rheumatologic ... life-threatening causes ... Pericarditis #Symptoms #Signs ... Presentation #comparison #Table ... #Diagnosis