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Arch Otolaryngol Head Neck Surg. 2008;134(3):336-337.

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Diagnosis: Solitary fibrous tumor (SFT) of the nasal cavity and ethmoid sinus with intracranial extension

Solitary fibrous tumor, which is a neoplasm of mesenchymal origin,¹ was first described in 1931 as a primary spindle cell tumor of the pleura.² Since that time, it has been reported to occur in various subsites of the head and neck, including the nasal cavity, paranasal sinuses, nasopharynx, floor of the mouth, orbit, thyroid gland, larynx, and parapharyngeal space.^{1, 3} The tumor rarely occurs in the nasal cavity and paranasal sinuses, with only 26 cases previously reported in the English-language literature, to our knowlege.^3-4 Although multiple cases of SFT have been reported to extend from the nasal cavity to the surrounding sinuses, we know of only 1 previous report describing intracranial extension from the paranasal sinuses.³ Also, a pituitary fossa SFT extending into the adjacent sphenoid sinus has been reported.⁵ An SFT of the nasal cavity with anterior cranial fossa extension is therefore exceedingly rare.

The rarity of SFT in the . . . [Full Text of this Article]

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Arch Otolaryngol Head Neck Surg. 2008;134(3):334.
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