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“Crown of Death”; Corona Mortis, a Common Vascular Variant in Pelvis: Identification at Routine 64-Slice CT-Angiography

OBJECTIVE: To establish the incidence of arterial corona mortis variant in angiographic studies being performed using a 64 slice CT scan machine in a series of patients. METHODS: This was a prospective cross-sectional study including 100 consecutive patients undergoing routine clinically indicated,...

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Detalles Bibliográficos
Autores principales: Bhoil, Rohit, Aggarwal, Neeti, Aggarwal, Vineet, Surya, Mukesh, Sharma, Sanjiv, Ahluwalia, Ajay, Bhoil, Sabina, Singh, Surya Pratap, Thakur, Manveer, Sood, Sidharath
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Shiraz University of Medical Sciences 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7468229/
https://www.ncbi.nlm.nih.gov/pubmed/32944580
http://dx.doi.org/10.30476/BEAT.2020.84118
Descripción
Sumario:OBJECTIVE: To establish the incidence of arterial corona mortis variant in angiographic studies being performed using a 64 slice CT scan machine in a series of patients. METHODS: This was a prospective cross-sectional study including 100 consecutive patients undergoing routine clinically indicated, standard protocol, CT-angiography for the abdominal aorta and/or lower limbs using a 64 slice CT scanner. Patients having severe arterial insufficiency (Grade 4 stenosis on CT angiography), pelvic infections and tumours, patients with past pelvic trauma and those who had previous pelvic surgery were excluded from the study. In total 200 hemi-pelvises were evaluated for the presence or absence of corona morti. RESULTS: Overall, we included 100 patients in this series including 67 men and 33 women with mean age of 40.1±2.3 (ranging from 22-74) years. The arterial variant was identified on thin, 0.625-mm-thick images in 24 out of 100 patients studied (unilateral in 20 patients and bilateral in 4 patients; 28 out of 200 hemipelvises evaluated, having an incidence of 14%). We found that the distance of corona mortis artery from the symphysis was significantly greater for women compared to men, both on right (p=0.034) and left sides (p=0.046). CONCLUSION: Corona mortis may be prospectively identified at contrast-enhanced multidetector CT especially in pelvic trauma patients and help guide subsequent endovascular embolization or surgical interventions.