Computed Tomographic Evaluation of Subdural and Epidural Metastases

Mh, Naheedy; Dk, Kido; Gv, O'Reilly

doi:10.1097/00004728-198006000-00004

Cited by 6 publications

(4 citation statements)

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“…Case 1 A 62-year-old m a n , an active English professor with Stage D adenocarcinoma of t h e prostate, was admitted for papille-0008-543X/83/110 I / I739 $ I . 25 dema and blurred vision. He denied headache, nausea, vomiting, or sphincter dysfunction, but had orthostatic syncope.…”

Section: Case Reportsmentioning

confidence: 99%

Intracranial metastases due to prostatic carcinoma

Castaldo

Bernat

Meier

et al. 1983

Cancer

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From 1973 to 1982, 189 patients were treated at the Dartmouth‐Hitchcock Medical Center for Stage C or D prostatic carcinoma. In eight of these cases (4.2%), there was clinical or pathological evidence for intracranial metastases. The condition of subdural neoplastic spread, not from contiguous bone, was identified in five cases, two of which were suspected before death. Four of these five patients were thrombocytopenic or pancytopenic at the time of the diagnosis. Intraparenchymal brain metastases were identified in six cases. Cerebellar, temporal bone, cavernous sinus, and splenium infiltration by tumor were unusual findings in individual cases. The results of chest x‐rays and respiratory status were poor predictors of lung metastases in four of five patients on whom autopsies were performed. This article describes the spectrum of radiographic and pathologic findings of intracranial prostatic carcinoma, and suggests that the likely mechanism of brain metastasis in these cases is by the dural veins and Virchow‐Robin spaces.

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Section: Case Reportsmentioning

confidence: 99%

Intracranial metastases due to prostatic carcinoma

Castaldo

Bernat

Meier

et al. 1983

Cancer

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“…18 The cerebellum is the primary site of involvement; the meninges and brain stem can also be involved. 19 Metastatic lesions in the brain parenchyma manifest by neurological dysfunction and increased intracranial tension. Those at the skull base become symptomatic by compression of cranial nerves.…”

Section: Discussionmentioning

confidence: 99%

Unusual Tumors of the Posterior Fossa Skull Base

Kumar

Wani

2006

Skull Base

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Five unusual cases of posterior skull base tumors were treated through different skull base approaches. Two or more staged operations were required to achieve total or near-total excision and decompression of two extensive tumors. Total excision of an extensive en plaque meningioma of the foramen magnum that encircled the brain stem and cervical spinal cord could not be achieved through the extreme lateral and suboccipital craniectomy approach. However, the vital structures were decompressed and the patient's postoperative morbidity was acceptable. An extended middle fossa approach was required to excise a hemangiopericytoma of the middle and posterior fossae in a 12-year-old. Extension of the tumor into the posterior fossa precluded a retromastoid approach because the mass draped the lower cranial nerves posteriorly. Two men had undifferentiated adenocarcinomas involving the jugular foramen and middle to posterior fossa, respectively. The origin of one was renal in a 37-year-old man. A 63-year-old man survived 1.5 years after a good decompression of his extensive tumor and irradiation. The histological diagnosis of paraganglioma of the occipital bone was a surprise in a 25-year-old man with pure bony involvement. These cases indicate that the appropriate selection of skull base approaches and their combination can provide the needed access to achieve adequate excision or decompression of masses located in challenging anatomical regions of the skull base. Furthermore, good surgical excision improves palliation in radioresistant metastatic tumors of the skull base.

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“…Extension of calvarial metastases into the subdural space is rare [3]. Direct invasion of the dura is easier in the calvarium than in the spine as dura and bone are closer to each other in the calvarium [1].…”

Section: Discussionmentioning

confidence: 99%

Metastatic Ewing's sarcoma to the skull: CNS involvement excluded by MRI

1987

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A case of metastatic Ewing's sarcoma to the skull is presented, demonstrating the superiority of magnetic resonance imaging over other imaging modalities to exclude CNS involvement. Precise delineation of different tumor components in extradural location contained in an intact dural rim together with compressed cortex showing no signs of tumorous involvement constituted a MRI appearance allowing us to exclude tumor outgrowth into the brain.

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Computed Tomographic Evaluation of Subdural and Epidural Metastases

Cited by 6 publications

References 0 publications

Intracranial metastases due to prostatic carcinoma

Intracranial metastases due to prostatic carcinoma

Unusual Tumors of the Posterior Fossa Skull Base

Metastatic Ewing's sarcoma to the skull: CNS involvement excluded by MRI

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