Related Experiment Video
Updated: Jun 10, 2026
10:02
State of the Art Cranial Ultrasound Imaging in Neonates
Published on: February 2, 2015
Venous structures at the craniocervical junction: anatomical variations evaluated by multidetector row CT
S Tanoue1, H Kiyosue, Y Sagara
1Department of Radiology, Oita University Faculty of Medicine, Idaigaoka 1-1, Hasama-machi, Yufu-shi, Oita, 879-5593, Japan. stanoue@med.oita-u.ac.jp
The British Journal of Radiology
|July 22, 2010
Summary
This study reveals normal variations in craniocervical junction veins using CT scans. Understanding these venous anatomical differences is crucial for diagnosing and treating skull base diseases.
Area of Science:
- Radiology
- Neuroanatomy
- Vascular Anatomy
Background:
- The craniocervical junction is a complex anatomical area.
- Venous drainage patterns in this region can exhibit significant variations.
- Accurate anatomical knowledge is essential for surgical planning and diagnosis.
Purpose of the Study:
- To evaluate the anatomy and normal variations of the craniocervical junction venous system.
- To assess the utility of contrast-enhanced CT in depicting these venous structures.
Main Methods:
- Retrospective review of 50 patients who underwent contrast-enhanced CT.
- Multidetector CT scanner used for image acquisition.
- Axial and reconstructed images analyzed by two neuroradiologists for venous structures and relationships.
Main Results:
- Key venous structures including inferior petrosal sinus (IPS), transverse-sigmoid sinus, jugular vein, condylar vein, marginal sinus, and suboccipital cavernous sinus were well visualized.
- Occipital sinus (OS) identified in 18 cases, with 4 prominent types.
- Variations noted in IPS drainage, condylar vein asymmetry/agenesis, and posterior condylar canal dimensions.
Conclusions:
- Significant anatomical variations exist in the venous structures of the craniocervical junction.
- Knowledge of these variations is vital for diagnosing and treating skull base pathologies.
- Contrast-enhanced multidetector CT is an effective tool for evaluating craniocervical junction venous anatomy.
Related Concept Videos
01:19Veins of Head and Neck
The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
01:28Imaging Studies for Cardiovascular System V: CT
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
01:19Imaging Studies VII: Vascular Imaging
DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
01:27Imaging Studies III: Computed Tomography
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
01:14Imaging Studies I: CT and MRI
Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
01:26Arteries of the Head and Neck
The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...