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Biomedical subjects

I A Alorainy

Publications and source records attributed to I A Alorainy.

7 recordsLinked to original sources
PubMed2001

Pai syndrome: a report of a case and review of the literature.

Pai syndrome is a rare congenital disorder first described in 1987. The main clinical features of the syndrome include median cleft of the upper lip, intra-cranial lipoma, and cutaneous polyps. Only four cases have been described previously. This is the fifth who is a twin of Arabian descent to be reported. Full description of the clinico-pathological features and a review of the relevant medical literature is presented. To the best of our knowledge, this is the first case of Pai syndrome in a twin in the English literature.

Biopsy, Needle↗
PubMed2001

Sequestrated meningocele of the scalp.

A case of occipital sequestrated (rudimentary) meningocele in a 2-year-old girl is presented. The swelling was noticed at birth and did not grow over time. The skull radiograph showed no bone defect and ultrasound and computed tomography examinations demonstrated cystic mass with no connection to dura. The aim of this report is to draw the attention of radiology literature readers to this entity and to elaborate on the role of imaging in the preoperative assessment of such cases. The relation of sequestrated meningocele to the other conditions with ectopic meningeal tissue in the scalp is addressed.

Child, Preschool↗
PubMed2001

Introduction of skull bone fragments into the brain during external ventricular drain placement.

OBJECTIVE: To report an observation of small high attenuation foci in the tract of external ventricular drain on computed tomographic (CT) scan after removal of the drain and propose an explanation for this observation. METHODS: Six patients with small high attenuation foci in the ventricular drain tract seen on CT after removal of the drain were retrospectively identified. The CT studies before, during, and after ventricular drainage were reviewed for the size, shape, location, and time of appearance of these foci. RESULTS: In all patients, the high attenuation foci in the drain's tract were identified on CT done within 24 h from removal of the drain. In one patient, the high attenuation focus was seen adjacent to the drain on the CT obtained while the drain was in place. The high attenuation foci maintained constant size and shape on serial follow-up CT, and had variable location along the drain's tract. None of the patients developed symptoms related to these foci. CONCLUSION: Small bone pieces from the calvarium after drilling for external ventricular drain can inadvertently be pushed into the brain parenchyma during drain insertion. Early identification of these pieces on CT after removal of the drain and their constant size and shape are the clues for their nature. Temporal evolution of CT findings does not support the possibility of calcification in a small infarction or hematoma in the tract of the drain.

Adult↗
PubMed2000

MRI features of epidural extramedullary hematopoiesis.

A case of beta-thalassemia intermedia with spinal cord compression due to extramedullary hematopoiesis, which was successfully treated by blood transfusion, is presented. Emphasis was made on the MRI appearance of extramedullary hematopoiesis on different pulse sequences. The theories that aimed to explain the involvement of the epidural space by extramedullary hematopoiesis are discussed.

Adult↗
PubMed1999

Temporal dermoid cyst with a partial dermal sinus tract.

BACKGROUND: Cranial dermal sinuses are rare and occur most frequently in the posterior fossa and along the midline. Likewise, supratentorial dermoid cysts are very uncommon. METHOD: We report a unique case of an adult female patient with both a supratentorial dermoid cyst and an incomplete dermal sinus tract. RESULTS: The patient is a 31-year-old female, who presented with a new onset complex partial seizure. Neuroimaging and surgery revealed a right superior temporal dermoid cyst with an associated dermal sinus tract. Furthermore, the dermal sinus tract was incomplete and had no cutaneous manifestations. CONCLUSION: We present a rare patient with an off midline supratentorial dermoid cyst associated with a uniquely incomplete cranial dermal sinus tract. The dermal sinus tract involved the bone, dura and intradural compartment, without involving the overlying skin. This represents a novel variant in the spectrum of cranial dermal sinus abnormalities.

Adult↗
PubMed1999

Cree leukoencephalopathy: neuroimaging findings.

PURPOSE: To describe the computed tomographic (CT) and magnetic resonance (MR) imaging findings in Cree leukoencephalopathy. MATERIALS AND METHODS: The authors retrospectively reviewed the medical records and neuroimaging studies in 12 infants with Cree leukoencephalopathy (CT in 12 infants, MR in six). The diagnosis was established clinically in six patients and at autopsy in the other six. RESULTS: At CT, extensive, diffuse, and symmetric hypoattenuation was seen in the cerebral and cerebellar white matter in all 12 patients. Hypoattenuation was also seen in the corpus callosum in 11 (92%), internal capsule in 10 (83%), globus pallidus in nine (75%), brainstem in nine (75%), and thalamus in four (33%). The caudate nucleus and putamen were spared. On T2-weighted MR images in six patients, the cerebral and cerebellar white matter, including the subcortical arcuate fibers, was hyperintense as were the internal capsule, corpus callosum, corticospinal tracts, and globus pallidus. The thalamus was affected in four (67%) patients, pons in five (83%), and medulla in four (33%). The caudate nucleus and putamen were not affected. CONCLUSION: Cree leukoencephalopathy causes striking symmetric and diffuse involvement of the cerebral and cerebellar white matter and brainstem with sparing of the caudate nucleus and putamen.

Encephalitis↗