45 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
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
Tree in Bud Sign ... The Tree-in-Bud sign ... like cystic fibrosis ... Bud #TreeInBud #Sign ... #pathophysiology
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
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Algorithm and Differential ... osmolarity If cause ... investigations depending on clinical ... context and signs ... #causes
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
hypertension and signs ... 109 mm Hg) with clinical ... renal bruit or signs ... Neurologic disorders ... #Differential #
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... Froment's Sign is ... Jeanne’s sign is ... #Froments #Sign ... #video #neurology
Causes of Cystic Renal Mass - Differential Diagnosis Algorithm
Benign - Anechoic on ultrasound, Well-demarcated on ultrasound/CT,
Causes of Cystic ... Renal Mass - Differential ... Carcinoma - No signs ... #RenalMass #Nephrology ... #Differential #
Positive Throckmorton sign in a case of chronic osteomyelitis of the left hip. X-ray findings:
1) complete
Positive Throckmorton sign ... femur Throckmorton sign ... as John Thomas sign ... #Clinical #Radiology ... #Throckmorton #Sign
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
39 C this is a clinical ... hyperthermia crisis (late sign ... amphetamines) Toxic: • Radiologic ... Phaeochromocytoma Neurologic ... #Hyperthermia #Differential
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
bilateral Breast cyst ... bruising/erythema/sign ... mastitis • Usually caused ... diseases #benign #differential ... diagnosis #surgery #causes