Heinz Bodies

Heinz Bodies 2 (Canine - Onion Tox 2) ARROWS
Heinz bodies. Canine (onion toxicity).

Morphology: dense round granules at the periphery of a red blood cell. Result from oxidant injury to red blood cells which causes hemoglobin to precipitate and form intracellular inclusions.

Commonly seen with: eccentrocytes

Clinical relevance: indicates oxidant injury to red blood cells. Oxidant injury may result from certain drugs (propofol and acetaminophen in cats) or from toxins (onions, red maple leaves in horses, zinc in dogs, copper in sheep, anticoagulant rodenticide in dogs, and skunk musk in dogs).

Heinz Bodies 1 (Canine - Onion Tox 1) ARROWS
Heinz bodies. Canine (onion toxicity).
Heinz Bodies 3 (Feline 1) ARROWS
Heinz bodies. Feline.
Heinz Bodies 4 (Feline 2) ARROWS
Heinz bodies. Feline.
Heinz Bodies 5 (Canine) + Eccentrocytes ARROWS
Heinz bodies (arrows) and eccentrocytes (arrowheads). Canine.

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