Gamuts

Hypervitaminosis A

Hypervitaminosis A refers to the toxic effects of ingesting too much preformed vitamin A (retinyl esters, retinol, and retinal). Symptoms arise as a result of altered bone metabolism and altered metabolism of other fat-soluble vitamins. [Source: Wikipedia ]

Subtypes
Chronic hypervitaminosis A
May Cause
Bony whiskering
Calcification in a ligament
Calcification in a tendon
Cervical spine fusion
Epiphyseal-metaphyseal injury
Generalized osteoporosis
Increased intracranial pressure
Localized cortical bone thickening
Mandibular periostitis
Metaphyseal cupping
Periosteal new bone formation in a child
Periosteal reaction involving the clavicle
Polyostotic bone lesions in an infant or young child
Polyostotic bone lesions in children
Sclerotic clavicle
Shortened bone with premature growth-plate closure
Squaring of vertebral body
Wide diametaphysis
Wide metaphysis
Widespread cortical bone thickening
Widespread osteosclerosis
Widespread periosteal reaction
Widespread predominantly cortical osteosclerosis
Widespread soft-tissue calcification

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