54 results
Here are the morphological hallmarks of Rhabdomyosarcoma.

 - Broken arrow sign 

 - tad-pole rhabdomyoblasts
- Broken arrow sign ... rhabdomyoblasts - Wraith cells ... Hallmarks #Pathology #Microscopy
IDSA Recommendations for Preventing and Treating Penicillium marneffei Infections in HIV-AIDS
Preventing 1st Episode of Penicilliosis (Primary
Recommendations for Preventing ... CD4 count <100 cells ... CD4 count >100 cells ... decreases to <100 cells ... infections #HIVAIDS #pharmacology
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 ... The underlying pathophysiology ... sequestration of sickle cells ... Crisis #Features #Signs
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
mutated in one cell ... mutated in all cells ... Retinoblastoma Signs ... Retinoblastoma #pathophysiology ... ophthalmology #diagnosis #signs
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
maturation of B cells ... from precursor cells ... Absence of mature B cells ... CD19+) and plasma cells ... Agammaglobulinemia #XLinked #pathophysiology
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
B and CD-4+ T cells ... CRP Neuronal cell ... surface targeted -> Cell ... RheumaticFever #pathophysiology ... #diagnosis #signs
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
Giant Cell (Temporal ... yrs old; F>M Signs ... Anemia - Giant cells ... Temporal #Arteritis #Pathophysiology ... #Diagnosis #Signs
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
depolarization in fast AP cells ... depolarization in slow AP cells ... depolarization in slow AP cells ... Classification #Classes #cardiology ... #pharmacology
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 ... #Mastoiditis #pathophysiology ... #signs #symptoms
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained
Early Follicular Phase (Days 0-5)
 • Granulosa cells
• Granulosa cells ... receptors on granulosa cells ... conversion to estrogen, preventing ... ) • Granulosa cells ... and granulosa cells