Rhabdomyosarcoma of the petrous ridge. CT and MR imaging in an atypical case with multiple cranial nerve palsy

The CT and MR findings are reported in a case of biopsy proven rhabdomyosarcoma of the skull base. The tumor presumably originated in a pneumatized petrous ridge and had an atypical presentation of multiple cranial nerve palsy. The lesion exhibited a soft tissue density and a nonexpansile bone destr...

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Bibliographic Details
Published inActa radiologica (1987) Vol. 33; no. 1; p. 76
Main Authors Zampa, V, Mascalchi, M, Giordano, G P, Bongini, U, Dal Pozzo, G
Format Journal Article
LanguageEnglish
Published England 01.01.1992
Subjects
Child, Preschool
Cranial Nerve Diseases - etiology
Female
Humans
Magnetic Resonance Imaging
Paralysis - etiology
Petrous Bone - diagnostic imaging
Petrous Bone - pathology
Rhabdomyosarcoma - complications
Rhabdomyosarcoma - diagnosis
Rhabdomyosarcoma - diagnostic imaging
Skull Neoplasms - complications
Skull Neoplasms - diagnosis
Skull Neoplasms - diagnostic imaging
Tomography, X-Ray Computed
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Summary:The CT and MR findings are reported in a case of biopsy proven rhabdomyosarcoma of the skull base. The tumor presumably originated in a pneumatized petrous ridge and had an atypical presentation of multiple cranial nerve palsy. The lesion exhibited a soft tissue density and a nonexpansile bone destruction on unenhanced CT. On MR imaging the lesion showed homogeneous intermediate signal intensity on T1 weighted images and a high signal intensity on proton density and T2 weighted images. The scanty literature on CT and MR features of rhabdomyosarcoma of the head and neck is reviewed.
ISSN:0284-1851
1600-0455
DOI:10.1080/02841859209173132