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 ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
excludes other differentials ... that’s called “clinical ... ’s called Frog sign ... PhysicalExam #JVP #Cardiology ... #Neck #Frog #Sign
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Neck: “dropping ... life-threatening Differential ... test - Cogan sign ... - Peek sign ... Imaging - CT Chest
Swirl Sign - Intestinal Volvulus after Roux-en-Y Gastric Bypass - Radiography (Panel A) and computed tomography
Swirl Sign - Intestinal ... computed tomography (CT ... jejunojejunostomy staple ... #Clinical #Radiology ... #Swirl #Sign #SwirlSign
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
with previously stable ... hypertension and signs ... 109 mm Hg) with clinical ... renal bruit or signs ... Neurologic disorders
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... should be based on clinical ... Fever, headache, neck ... enhancement on CT ... CNS #Infections #differential
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Hyperthyroidism Overview Clinical ... Hyperdefecation • Anterior neck ... proptosis), unblinking stare ... causes #diagnosis #differential ... endocrinology #signs
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
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
the duodenum Clinical ... Signs/Symptoms: ... • Should be on differential ... the OR • HD stable ... • CT findings