Dorsal thoracic arachnoid web and the “scalpel sign”: a distinct clinical-radiologic entity

MA Reardon, P Raghavan… - American Journal …, 2013 - Am Soc Neuroradiology
Arachnoid webs are intradural extramedullary bands of arachnoid tissue that can extend to
the pial surface of the spinal cord, causing a focal dorsal indentation of the cord. These webs …

Dorsal thoracic arachnoid web presenting as neuropathic pain:'Scalpel'sign found on MRI

R Aiyer, Y El-Sherif, L Voutsinas - The neuroradiology …, 2016 - journals.sagepub.com
Dorsal thoracic arachnoid webs are due to a deformity in the formation of arachnoid
membrane in the spinal arachnoid space. These webs usually occur in the upper thoracic …

Arachnoid web of the spine: a systematic literature review

PL Nisson, I Hussain, R Härtl, S Kim… - Journal of Neurosurgery …, 2019 - thejns.org
OBJECTIVE An arachnoid web of the spine (AWS) is a rare and oftentimes challenging
lesion to diagnose, given its subtle radiographic findings. However, when left untreated, this …

[HTML][HTML] Spinal arachnoid web—a review article

HB Ali, P Hamilton, S Zygmunt… - Journal of Spine …, 2018 - ncbi.nlm.nih.gov
The spinal arachnoid web is an abnormal formation of an arachnoid membrane in the
subarachnoid space. It is a rare entity with some degree of uncertainty surrounding its …

Dorsal arachnoid web with spinal cord compression: variant of an arachnoid cyst?: Report of two cases

CG Paramore - Journal of Neurosurgery: Spine, 2000 - thejns.org
✓ Spinal arachnoid cysts are diverticula of the subarachnoid space that may compress the
spinal cord; these lesions are most commonly found in the thoracic spine. Two patients who …

Transverse dorsal arachnoid web and syringomyelia: case report

A Sridharan, CB Heilman - Neurosurgery, 2009 - journals.lww.com
OBJECTIVE: We present a case of syringomyelia attributed to a transverse thoracic
arachnoid web at T4. The cerebrospinal fluid pressure caudal to the web was higher than …

Dorsal spinal arachnoid web diagnosed with the quantitative measurement of cerebrospinal fluid flow on magnetic resonance imaging: Report of 2 cases

HS Chang, A Nagai, S Oya, T Matsui - Journal of Neurosurgery: Spine, 2014 - thejns.org
An arachnoid web is an abnormal formation of the arachnoid membrane in the spinal
subarachnoid space that blocks CSF flow and causes syringomyelia. Although the precise …

Spinal intradural arachnoid webs causing spinal cord compression with inconclusive preoperative imaging: a report of 3 cases and a review of the literature

D Zhang, E Papavassiliou - World Neurosurgery, 2017 - Elsevier
Objective Spinal arachnoid webs are a rare variant of spinal arachnoid cysts where 1 or
multiple focal membranes of arachnoid tissue obstruct the subarachnoid space. Only 11 …

Differentiation of idiopathic spinal cord herniation from dorsal arachnoid webs on MRI and CT myelography

R Schultz, A Steven, A Wessell, N Fischbein… - … of Neurosurgery: Spine, 2017 - thejns.org
OBJECTIVE Dorsal arachnoid webs (DAWs) and spinal cord herniation (SCH) are
uncommon abnormalities affecting the thoracic spinal cord that can result in syringomyelia …

[HTML][HTML] Syringomyelia secondary to “occult” dorsal arachnoid webs: report of two cases with review of literature

PP Sayal, A Zafar, TA Carroll - Journal of Craniovertebral Junction …, 2016 - journals.lww.com
In a certain group of patients with syringomyelia, even with the advent of sophisticated
magnetic resonance imaging (MRI), no associated abnormality or cerebrospinal fluid (CSF) …