850 results
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
until natural atrophy ... from pituitary -> Atrophy ... #OvarianCycle #pathophysiology
Amblyopia ("Lazy Eye"): Pathogenesis and clinical findings
Amblyopia => 
Interruption of visual stimulation during childhood visual development
amblyopic eye -> Atrophy ... Amblyopia #LazyEye #pathophysiology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
Photoreceptor atrophy ... drusen) from RPE atrophy ... depositions; geographic atrophy ... MacularDegeneration #pathophysiology
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
hypothyroidism Pathophysiology ... • Selective atrophy ... Hypothyroid #Myopathy #pathophysiology
Radiculopathy: Signs and Symptoms
 • Back/Neck Pain
 • Decr Range of motion
 • Abnormal posturing
 •
happen) • Muscle atrophy ... signs #symptoms #pathophysiology
Pisa Syndrome (pleurothotonus) on Physical Exam
A tonic flexion of the trunk of the body to one
Multiple System Atrophy ... Pathophysiology:
Raynaud’s Phenomenon: Pathogenesis and clinical findings
 • Finger pulp atrophy
 • Tissue ischemia/infarction -> Digital ulcerations
• Finger pulp atrophy ... Raynauds #Phenomenon #pathophysiology
Hashitoxicosis

‘Leakage’ symptoms of active Hashimoto’s disease

- Hashitoxicosis (Htx) can occur during the initial hyperthyroid stage in
subsequent follicular atrophy ... Endocrinology #Diagnosis #Pathophysiology
Retinitis Pigmentosa: Pathogenesis and Ocular Manifestations
 • Inherited mutation of rhodopsin gene -> Mode of inheritance
formation • Macular atrophy ... RetinitisPigmentosa #pathophysiology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... muscles, muscle atrophy ... progressive muscular atrophy ... loss of muscle (atrophy