Assessment of computed tomographic artefact in the pituitary fossa following needle implantation of radioactive rods.

Clin Radiol

Department of Radiology, Royal Postgraduate Medical School, Hammersmith Hospital, London, UK.

Published: March 1989

AI Article Synopsis

  • A study reviewed CT scans of patients who underwent pituitary tumor treatment with different radioactive rods to evaluate the impact on image quality.
  • In patients treated with 90Y rods, no significant image artefacts were found, allowing for satisfactory imaging.
  • Conversely, most patients treated with 198Au, either alone or combined with 90Y, experienced severe artefacts that compromised image quality.

Article Abstract

Computed tomographic scans of the pituitary fossa following treatment of pituitary tumours by interstitial irradiation were reviewed for the degree of metallic artefact created by the rods. Among 50 patients treated with 90Y rods alone, none showed artefact to a degree that caused technically unsatisfactory images in coronal or axial cuts. Among the seven patients who had been treated with 198Au, either alone (two patients) or with both 198Au and 90Y rods (five patients), six had severe artefact and in five of these the images were technically unsatisfactory in both coronal and axial slices. We conclude that following implantation of 90Y rods, the currently preferred isotope, the pituitary fossa can be satisfactorily assessed by computed tomography.

Download full-text PDF

Source
http://dx.doi.org/10.1016/s0009-9260(89)80076-5DOI Listing

Publication Analysis

Top Keywords

pituitary fossa
12
90y rods
12
computed tomographic
8
rods patients
8
patients treated
8
technically unsatisfactory
8
coronal axial
8
rods
5
assessment computed
4
artefact
4

Similar Publications

Sellar spine: a rare midline osseous spur.

BMJ Case Rep

January 2025

Radiology Department, Eric Williams Medical Sciences Complex, Mt. Hope, Trinidad and Tobago.

A sellar spine is a rare midline osseous spur, which arises from the dorsum sellae and projects into the pituitary fossa. It can be found incidentally on imaging or may present with symptoms related to optic chiasm compression or hormonal disturbances.Herein, we present the case of an incidentally detected sellar spine in a patient presenting with sudden onset headaches.

View Article and Find Full Text PDF

Objectives: This study aims to compare the effects of two orthodontic treatment modalities for skeletal class Ⅲ malocclusion on specific changes in airway volume, morphology, palatal angle, mandibular rotation, and bone displacement. Results provide scientific evidence for the selection of orthodontic treatment plans and reduce the risk of developing obstructive sleep apnea hypopnea syndrome (OSAHS).

Methods: Thirty-six patients diagnosed with skeletal class Ⅲ malocclusion at the Department of Orthodontics, the Affiliated Stomatological Hospital of Nanjing Medical University from September 2018 to December 2023 were divided into two groups: orthodontic-orthognathic treatment group (18 patients) and camouflage orthodontic treatment group (18 patients).

View Article and Find Full Text PDF

Aim: The aim of this retrospective study was to investigate the morphology of sella turcica (ST) in Chiari malformation type I (CM-I) using computed tomography.

Material And Methods: The size and shape of ST were examined using the radiological images of 32 CM-I patients (21 women/11 men, mean age: 26.09 ± 15.

View Article and Find Full Text PDF

Empty sella (ES) is a radiographic finding defined by the presence of cerebrospinal fluid in the sella turcica, with associated compression of the pituitary gland. Empty sella syndrome (ESS) is the combination of this radiographic finding with endocrine, ophthalmological, and/or neurological symptoms. The focus of this literature review is to synthesize information about asymptomatic or incidental ES specifically, meaning the radiologic finding of an empty sella without symptoms.

View Article and Find Full Text PDF

We discuss a case of a 19-year-old female who presented with pressure headaches and progressive vision loss. In the emergency department, a series of diagnostic tests were conducted, including CT, MRI, and lumbar puncture with measurement of opening pressure. All these examinations yielded results consistent with the suspected diagnosis of idiopathic intracranial hypertension (IIH).

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!