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[Anterior sacral meningocele].

Anterior sacral meningocele is an uncommon and often occult disorder of clinical importance. The pelvic mass induces symptoms mainly because of its pressure on surrounding organs. Obstipation and urinary symptoms are common. In females, complications due to prolonged or obstructed labour and infections are serious and can be fatal. The radiological manifestation is quite typical. It is important to be aware of anterior sacral meningocele in order to reach the right diagnosis, and to suspect it when typical symptoms are present.

Adult↗

Trisomy 18 associated with ectopia cordis and occipital meningocele.

A premature infant presented with ectopia cordis, occipital meningocele, and manifestations of trisomy 18; cytogenetic analysis confirmed a 47,XX,+18 chromosome constitution. While most cases of ectopia cordis appear as isolated, sporadic defects, careful evaluation is warranted to detect evidence of an associated chromosome abnormality.

Abnormalities, Multiple↗

A case of cranial meningocele associated with Joubert syndrome.

Joubert syndrome was first reported in 1969 as a rare, recessive autosomal syndrome associated with neuropathological abnormalities of the cerebellum and brain stem, partial or complete aplasia of the cerebellar vermis, and presenting with episodic hyperpnea and apnea, oculomotor abnormalities, and psychomotor retardation. Having experienced one case of this syndrome with associated cranial meningocele, we report the clinical course, MRI features, and surgical findings, and discuss the relevant literature.

Brain Stem↗

Parietal foramina complicated by meningocele.

Parietal foramina are symmetrical bone defects adjacent to the sagittal suture and are not usually associated with other malformations. A case is described in which scalp tumors protruded through the foramina and proved to be meningoceles. No such cases appear to have been previously reported. The possible developmental mechanisms are discussed.

Female↗

Spinal meningeal malformations in children (without meningoceles or meningomyeloceles).

Multiple meningeal malformations are described: anterior or lateral meningoceles, extradural meningeal cysts, and intradural arachnoid cysts. All diverticulae appear to be extensions of the subarachnoid space, producing symptoms early or later. It is impossible to unify all these lesions because they cause multiple pathological conditions, depending upon the anatomical form or level, other systemic malformations, spinal abnormalities, or associated familial diseases. Surgical treatment requires complete evaluation of each anatomical aspect before procedure.

Adult↗

Neurenteric cysts with meningomyelocele or meningocele. Split notochord syndrome.

Two rare cases of neurenteric cysts with meningomyelocele and meningocele were treated. The mechanism of the development of these anomalies is discussed. It is considered that the terminal, dorsal part of the enteric fistula, which is produced between the endoderm and the ectoderm through a partially duplicated notochord in the development of the embryo, remains after obliteration of the fistula and, consequently, that the mucosa of the enteric remnant is inverted and projects through the skin of the back.

Abnormalities, Multiple↗

Transsphenoidal meningocele with hypothalamic insufficiency.

A 16-year-old girl with transsphenoidal meningocele and signs of hypothalamic insufficiency is presented. Hormonal disturbances have been reported in only three similar cases in the literature. The radiological criteria for the diagnosis are discussed with emphasis on the differential diagnosis of a persistent cranipharyngeal canal. Based on the present case and studies of the pertinent literature we propose that all patients exhibiting signs of dysraphism of the base of the skull should be thoroughly investigated for hormonal disturbances. Children with cleft palate should be examined for possible concomitant dysraphism of the skull.

Adolescent↗

The management of anterior sacral meningocele with computed tomography.

This report concerns a case of anterior sacral meningocele (ASM) with an evaluation of the diagnostic reliability of the CT scan for the management of this condition and others concerning the vertebral column and pelvis. This technic makes a precise preoperative survey possible by the direct demonstration of the lesion and its extension, by the measurement of its density and by the visualization of its pedicle, as well as easy and atraumatic postoperative control. ASM is a congenital meningeal cyst, herniating through a bony defect of the sacrum. It often remains undetected, since it is a rather rare condition and difficult to visualize with simple diagnostic procedures. An early diagnosis of this basically benign condition is nevertheless very important, because of the serious pitfalls that may arise.

Adult↗

"High spinal" dysrhaphism. Case report of a complex cervical meningocele.

"High spinal" (cervical and upper thoracic) dysrhaphism usually involves either a meningocele or a dermal sinus tract. These high spinal lesions can have a complex intradural anatomy at the level of the lesion (as this case reports) and are associated with an increased incidence of lower spinal occult dysrhaphic anomalies. It is therefore recommended that patients with "high spinal" dysrhaphism undergo radiological evaluation of the entire spine to identify those patients with intradural anomalies, define the anatomy for surgery, and investigate the lower spine for associated occult anomalies.

Cervical Vertebrae↗

Thoraco-abdominal enteric duplication with meningocele, skeletal anomalies and dextrocardia.

We describe an infant with an enteric thoraco-abdominal duplication arising in the proximal jejunum and associated with a dorsal meningocele, dextrocardia, agenesis of ribs and hypoplasia of the left arm. Diagnosis was reached post-operatively and the infant died of cytomegalovirus pneumonitis. Results of the postmortem examination are presented. Awareness of this rare malformation is required in order to reach a timely diagnosis and to plan a suitable operative approach.

Abnormalities, Multiple↗

A patient with facial abnormality, imperforate anus, tetrapolyhypodactyly and meningocele: a variable manifestation of the polyoligodactyly/imperforate anus/vertebral anomalies syndrome.

We present a case of an 80-day-old boy with major anomalies consistent with polyoligodactyly/imperforate anus/vertebral anomalies (PIV) syndrome. In addition, he had facial abnormality, tetrapolyhypodactyly, and sacral meningocele. Polydactyly was of postaxial and central types, and all the distal phalanges were absent. The association of such anomalies enabled pinpointing of the development of this complex anomaly from the 4th to the 6th weeks of the embryonic phase. This condition is extremely rare, and the estimated incidence is 3 in one billion.

Abnormalities, Multiple↗

The initial treatment of meningocele and myelomeningocele lesions in adulthood: experiences with seven patients.

This is a retrospective study of patients having undergone surgical treatment of spina bifida cystica (SBC) lesions in adulthood. The objectives were to assess the clinical, radiological, and surgical characteristics of SBC lesions in adults. There is almost no study assessing these characteristics. Seven adult male patients with SBC lesions, ages between 20 and 23 (mean 21.1), had their primary evaluations between 1995 and 1999 in the Military Hospital, Yzmir, and Gülhane Military Medical Academy, Ankara. A temporary cerebrospinal fluid leak in the patient with the thoracic lesion and a temporary partial urinary incontinence in the patient with the lumbosacral lesion occurred. The most common preoperative complaint was low back pain. This improved in three of four patients (75%) but did not disappear. Although it is rare, an adult with an untreated SBC is a possible entity. These lesions should be included in the differential diagnosis of dorsal midline lesions in adults. Even though they appear as a simple spinal meningocele clinically, preoperative MR imaging and CT are necessary and helpful in the precise diagnosis and surgical planning.

Adult↗

Giant anterior lumbosacral meningocele associated with intracranial meningiomas and multiple congenital malformations.

A case of anterior meningocele arising through a thin fistulous tract in the intervertebral disk space of L5-S1 is described. This lesion was giant, and almost completely filled the abdominal and pelvic cavities. Furthermore, it was associated with two separate intracranial meningiomas, a pleuropericardial cyst, and numerous developmental malformations. Pathogenetic factors, clinical and radiological features, and surgical treatment are discussed.

Abnormalities, Multiple↗