Spontaneous intracranial hypotension syndrome: Report of twelve cases

Enrico Ferrante, Anna Savino, Grazia Sances, Giuseppe Nappi

Research output: Contribution to journalArticle

Abstract

Purpose.-To investigate clinical, MRI, and radioisotope findings and therapeutic outcome of the syndrome of spontaneous intracranial hypotension (SIH). Background.-Spontaneous intracranial hypotension is characterized by orthostatic headache, low CSF pressure, and MRI findings of diffuse pachymeningeal gadolinium enhancement without previous history of head trauma or lumbar puncture. Spontaneous CSF leakage from a spinal dural tear has been suggested as the underlying pathogenic mechanism of SIH. Most patients recover without sequelae, but subdural collections have been described in a few. Methods.-Twelve consecutive patients (10 females, 2 males, mean age 39 years) with headache related to the syndrome of spontaneous intracranial hypotension were investigated. Results.-Eleven patients presented orthostatic headache, one patient had continuous nonpostural headache. Additional clinical symptoms included nausea, vomiting, tinnitus, diplopia, and back pain. All the patients had low CSF opening pressure, seven had increased CSF albumin, and four had pleocytosis. Brain MRI showed diffuse pachymeningeal gadolinium enhancement. Other features included subdural fluid collections (hematoma/hygroma) in four patients, downward displacement of the brain in four patients, and enlargement of the pituitary gland in one patient. Radioisotope cisternography results indicated, in two patients, a CSF leakage site in the cervico-thoracic region, and in one patient showed limited ascent of the tracer to the cerebral convexity and early appearance of radioisotope in the bladder. All the patients had complete resolution of headache with conservative treatment. Conclusions.-Patients with SIH have distinct MRI and sometimes radioisotope cisternographic abnormalities and generally respond favorably to conservative management.

Original languageEnglish
Pages (from-to)615-622
Number of pages8
JournalHeadache
Volume44
Issue number6
DOIs
Publication statusPublished - Jun 2004

Fingerprint

Intracranial Hypotension
Headache
Radioisotopes
Gadolinium
Cystic Lymphangioma
Pressure
Spinal Puncture
Diplopia
Tinnitus
Leukocytosis
Brain
Pituitary Gland
Back Pain
Tears
Craniocerebral Trauma
Hematoma
Nausea
Vomiting

Keywords

  • Cerebrospinal fluid leak
  • Meningeal enhancement
  • Postural headache
  • Spontaneous intracranial hypotension
  • Subdural hematoma

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)

Cite this

Spontaneous intracranial hypotension syndrome : Report of twelve cases. / Ferrante, Enrico; Savino, Anna; Sances, Grazia; Nappi, Giuseppe.

In: Headache, Vol. 44, No. 6, 06.2004, p. 615-622.

Research output: Contribution to journalArticle

Ferrante, Enrico ; Savino, Anna ; Sances, Grazia ; Nappi, Giuseppe. / Spontaneous intracranial hypotension syndrome : Report of twelve cases. In: Headache. 2004 ; Vol. 44, No. 6. pp. 615-622.
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