47 results
Bell's Phenomenon on Physical Exam

Carles Bell realized that when trying to close the eye on the
Bell's Phenomenon ... Exam Carles Bell ... was called the Bell ... phenomenon or Bell ... #Phenomenon #Sign
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... variety known as Bell's ... - Ptosis #Bells ... Palsy #Neurology #Signs
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
& inflammatory cells ... • Neurologic: Bell's ... Diagnosis #Symptoms #Signs
Peripheral Signs of Aortic Regurgitation

Corrigan sign	Prominent carotid and supraclavicular pulsations
Alfred de Musset sign	Head nodding with heart
Peripheral Signs ... Alfred de Musset sign ... beat Landolfi sign ... pulsation Becker sign ... compression with the bell
Here are the morphological hallmarks of Rhabdomyosarcoma.

 - Broken arrow sign 

 - tad-pole rhabdomyoblasts
- Broken arrow sign ... rhabdomyoblasts - Wraith cells
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
yrs old; F>M Signs ... Anemia - Giant cells ... Pathophysiology #Diagnosis #Signs
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
Signs of immunodeficiency ... maturation of B cells ... from precursor cells ... humoral immunity Signs ... CD19+) and plasma cells
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
mutated in all cells ... Retinoblastoma Signs ... ophthalmology #diagnosis #signs
Features of a Sickle Cell Crisis 
Sickle-cell disease - an autosomal recessive blood disorder.
Characterized by red
Characterized by red blood cells ... These cells can ... sequestration of sickle cells ... Crisis #Features #Signs
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
the mastoid air cells ... and mastoid air cells ... in mastoid air cells ... to petrous air cells ... pathophysiology #signs