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Pituitary neuroendocrine tumors (PitNET) typically present with either endocrine and/or neuro-ophthalmologic manifestations. Invasive PitNETs are typically associated with superior and/or lateral extension, which may result in cranial nerve abnormalities predominately affecting the optic nerve, obstructive hydrocephalus (rare), and headache (non-specific). Here we describe an unusual case of invasive PitNET in which the chief complaint (unilateral nasal obstruction) was related to inferior extension into the nasal cavity.
Au et al. (Wed,) studied this question.