alexa [Metastases to the paranasal sinuses: case report and review of the literature].
Medicine

Medicine

Otolaryngology: Open Access

Author(s): Prescher A, Brors D

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Abstract The case of an 87-year old man with widespread prostatic cancer is reported. During the autopsy macroscopically visible metastases were found within the frontal sinuses. These tumor masses destroyed the posterior osseous wall of the frontal sinus and formed polypoid bulging masses. In contrast to the macroscopically unaffected mucous membrane of the sphenoid sinus the maceration specimen of the skull base demonstrated a spongious-mossy, osteoplastic metastasis, lining the sphenoid sinus like a tapestry. This affection started from an exhaustive osteoplastic metastasis within the clivus. No metastases could be found in both antrums or the ethmoids. Retrospectively no symptoms from the paranasal sinuses could be eruated, only occasional pain of the frontal bone. The review of the world literature with 123 reports revealed 169 cases. Renal cell carcinomas most frequently metastasize into the paranasal sinuses (67 cases), followed by bronchogenic carcinomas (15 cases). Thyroid cancers and cancers of the mammary gland are responsible for 13 respectively 14 cases. The prostate also adds 12 cases. The paranasal sinuses are affected in diminishing frequency: maxillary sinus (55 cases), sphenoid sinus (37 cases), ethmoidal cells (23 cases) and frontal sinus (15 cases). In 38 cases exhaustive metastases affecting two or more paranasal sinuses are reported. The statement of literature, that metastases affecting the paranasal sinuses are much more frequent than reported, cannot be supported by our study, because the intensive autoptic investigation of 50 skulls of patients suffering from widespread cancers revealed no further cases of metastatic processes of the paranasal sinuses. This article was published in Laryngorhinootologie and referenced in Otolaryngology: Open Access

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