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A left-sided Haller cell is an anatomical variation of the paranasal sinuses, specifically located in the left lateral aspect of the nasal cavity. It is a type of accessory maxillary sinus that can develop from the maxillary sinus and may extend into the orbit or infratemporal fossa. While often asymptomatic, Haller cells can be associated with sinusitis or contribute to nasal obstruction. Their identification is important in imaging studies, particularly in the context of sinus surgery.

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AnswerBot

2w ago

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