Nonaneurysmal perimesencephalic hemorrhage is associated with deep cerebral venous drainage anomalies: a systematic literature review and meta-analysis
A Rouchaud, VT Lehman, MH Murad… - American Journal …, 2016 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Mechanisms underlying bleeding in nonaneurysmal
perimesencephalic SAH remain unclear. Previous investigators have suggested a …
perimesencephalic SAH remain unclear. Previous investigators have suggested a …
Venous drainage patterns in perimesencephalic nonaneurysmal subarachnoid hemorrhage
H Yamakawa, N Ohe, H Yano, S Yoshimura… - Clinical neurology and …, 2008 - Elsevier
OBJECTIVE: The precise etiology of perimesencephalic nonaneurysmal subarachnoid
hemorrhage (P-SAH) has not yet been determined. We decided to compare the venograms …
hemorrhage (P-SAH) has not yet been determined. We decided to compare the venograms …
Variants of the basal vein of Rosenthal and perimesencephalic nonaneurysmal hemorrhage
T Daenekindt, G Wilms, V Thijs, P Demaerel… - Surgical neurology, 2008 - Elsevier
BACKGROUND: The cause of perimesencephalic nonaneurysmal SAH or PMH is not
known. Earlier studies reported a possible contribution of a primitive variant of the BVR in …
known. Earlier studies reported a possible contribution of a primitive variant of the BVR in …
Venous drainage in perimesencephalic hemorrhage
IC van der Schaaf, BK Velthuis, A Gouw, GJE Rinkel - Stroke, 2004 - Am Heart Assoc
Background and Purpose—In perimesencephalic nonaneurysmal hemorrhage (PMH),
subarachnoid blood accumulates around the midbrain. Clinical and radiological …
subarachnoid blood accumulates around the midbrain. Clinical and radiological …
Perimesencephalic subarachnoid hemorrhage with a positive angiographic finding: case report and review of the literature
A Hafez, J Numminen, R Rahul, J Järveläinen… - Acta …, 2016 - Springer
The vast majority of perimesencephalic subarachnoid hemorrhage cases are reported as
negative-finding etiologies. Recently, high-resolution images allowed us to overcome the …
negative-finding etiologies. Recently, high-resolution images allowed us to overcome the …
Straight sinus stenosis as a proposed cause of perimesencephalic non-aneurysmal haemorrhage
A Shad, TJ Rourke, AH Jahromi, AL Green - Journal of Clinical …, 2008 - Elsevier
Perimesencephalic nonaneurysmal haemorrhage (PMNH), a term first coined in 1985, is a
diagnosis of exclusion. It is considered a benign form of subarachnoid haemorrhage with a …
diagnosis of exclusion. It is considered a benign form of subarachnoid haemorrhage with a …
Perimesencephalic nonaneurysmal subarachnoid haemorrhage and variations in the veins
A Watanabe, K Hirano, M Kamada, K Imamura, N Ishii… - Neuroradiology, 2002 - Springer
Perimesencephalic nonaneurysmal subarachnoid haemorrhage (PN-SAH) is characterised
by accumulation of blood around the midbrain, normal angiographic findings and an …
by accumulation of blood around the midbrain, normal angiographic findings and an …
The relationship between perimesencephalic subarachnoid hemorrhage and deep venous system drainage pattern and calibrations
Background and purpose The purpose of this study is to investigate the relationship
between Rosenthal basal vein (BVR) type and diameter and perimesencephalic …
between Rosenthal basal vein (BVR) type and diameter and perimesencephalic …
Deep venous drainage variant rate and degree may be higher in patients with perimesencephalic than in non-perimesencephalic angiogram-negative subarachnoid …
Objectives The basal vein of Rosenthal (BVR) variant is a potential origin of bleeding in
angiogram-negative subarachnoid hemorrhage (AN-SAH). We compared the rate and …
angiogram-negative subarachnoid hemorrhage (AN-SAH). We compared the rate and …
Non-aneurysmal subarachnoid hemorrhage: Is the deep venous system the hidden culprit?
S Kanjilal, A Mehrotra, V Singh, P Dikshit… - Acta …, 2022 - Springer
Aim The exact cause of bleeding in non-aneurysmal sub-arachnoid hemorrhage (SAH) is
yet to be established. The present study intends to evaluate the morphological variants of …
yet to be established. The present study intends to evaluate the morphological variants of …