11 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 ... #Comparison #Table ... #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
stage before the ... typical cysts appear ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
stage before the ... typical cysts appear ... #Clinical #Diagnosis ... #Differential #Comparison ... #Table #RadiologyAssistant
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... the patient is unable ... #Nerve #Palsy #clinical ... #video #neurology ... #physicalexam #msk
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
renal failure Clinical ... Self-limiting, chronic but stable ... pernio, papules, nodules ... anterior/posterior MSK ... #Signs #Symptoms
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... high index of clinical ... in up to 30% of cases ... #Endocarditis #comparison ... Marantic #diagnosis #table
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ocular- 50%: Ptosis ... test - Cogan sign ... - Peek sign ... Gravis #diagnosis #management ... #neurology
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
Diagnosis: • Based on clinical ... More likely to cause ... - Improves clinical ... Gravis #diagnosis #management ... #neurology #treatment
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... • Bilateral signs ... • Infectious causes ... Myelitis #diagnosis #management ... #neurology #differential
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... This is late stage ... the central dot sign ... #Clinical #Radiology ... #RadiologyAssistant