2013
DOI: 10.1016/j.amjoto.2012.11.014
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The neglected emissary vein in mastoidectomy; persistent petrosquamosal sinus in the laterally located sigmoid sinus

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Cited by 9 publications
(4 citation statements)
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“…We found no cases of such PSS-related intraoperative complications in the literature. However, Choi and Woo described one case of this anomaly correctly diagnosed by preoperative imaging in a patient with COM in whom PSS coexisted with a laterally placed sigmoid sinus [10], and An et al described two cases of PSS as a perioperative finding in patients with COM [11]. The PSS incidence in our sample was 6.9%, and it was significantly higher in TBs with RCOM (14.6%).…”
Section: Discussionmentioning
confidence: 56%
“…We found no cases of such PSS-related intraoperative complications in the literature. However, Choi and Woo described one case of this anomaly correctly diagnosed by preoperative imaging in a patient with COM in whom PSS coexisted with a laterally placed sigmoid sinus [10], and An et al described two cases of PSS as a perioperative finding in patients with COM [11]. The PSS incidence in our sample was 6.9%, and it was significantly higher in TBs with RCOM (14.6%).…”
Section: Discussionmentioning
confidence: 56%
“…Detection of this anomalous embryonic vessel prior to surgery is possible using high-resolution CT, CT venography, or magnetic resonance venography. 1 However, due to its small caliber, PSS is amenable for identification by imaging techniques only when it persists as a large channel or is contained in a bony canal within the petrosquamosal suture, 4 explaining the discrepancy in its size and prevalence among studies. 1 Development in imaging techniques has made radiologists more aware of this vascular anomaly, accounting for the increase in its prevalence in recent studies.…”
Section: Discussionmentioning
confidence: 99%
“…1 As a rule, bleeding is trivial, but in some cases, it can be troublesome. 4 Hemostasis can be achieved by drilling with a diamond burr, packing with hemostatic material, bipolar coagulation, vessel ligation, or bone wax application. 2 Nevertheless, some complications associated with bleeding control have been reported, including extensive thrombosis due to migration of bone wax into the sigmoid sinus.…”
Section: Discussionmentioning
confidence: 99%
“…Third, the upper petrosquamosal EV originates at the junction of the transverse and sigmoid sinuses. 4,[7][8][9][10] The MEV may originate from the sigmoid or transverse sinus at the outer edge of the lateral sinus groove just below the bend and follow a course in the substance of the bone in an upward and backward direction to communicate with extracranial veins. 8 It opens at the surface just behind the upper posterior edge of the mastoid process at the level of the bony auditory meatus to enter the occipital or posterior auricular vein.…”
Section: Discussionmentioning
confidence: 99%