scholarly journals Radiation-Induced Alopecia after Endovascular Embolization under Fluoroscopy

2016 ◽  
Vol 2016 ◽  
pp. 1-5
Author(s):  
Vipawee Ounsakul ◽  
Wimolsiri Iamsumang ◽  
Poonkiat Suchonwanit
Keyword(s):  
Cerebral Angiography ◽  
Endovascular Procedures ◽  
Endovascular Embolization ◽  
Target Pattern ◽  
Geometric Shapes ◽  
Radiation Induced

Radiation-induced alopecia after fluoroscopically guided procedures is becoming more common due to an increasing use of endovascular procedures. It is characterized by geometric shapes of nonscarring alopecia related to the area of radiation. We report a case of a 46-year-old man presenting with asymptomatic, sharply demarcated rectangular, nonscarring alopecic patch on the occipital scalp following cerebral angiography with fistula embolization under fluoroscopy. His presentations were compatible with radiation-induced alopecia. Herein, we also report a novel scalp dermoscopic finding of blue-grey dots in a target pattern around yellow dots and follicles, which we detected in the lesion of radiation-induced alopecia.

Radiation Safety in Vascular Surgery

2015 ◽  
Author(s):  
Amy B. Reed ◽  
Melissa L Kirkwood
Keyword(s):  
Radiation Dose ◽  
Endovascular Procedures ◽  
Radiation Safety ◽  
National Council ◽  
Skin Injury ◽  
Air Kerma ◽  
Dose Limits ◽  
Radiation Induced ◽  
Effects Of Radiation ◽  
Harmful Effects

Modern vascular surgeons perform an ever-increasing number of complex endovascular procedures, largely based on patient preference, decreased length of stay, and improved outcome. With the upsurge of endovascular cases, concern has grown regarding the harmful effects of radiation exposure delivered to the patient and the operator. Surgeon education on the appropriate use of fluoroscopic operating factors coupled with appropriate training in radiation safety has been shown to decrease radiation dose. This review elucidates dose terminology and metrics, possible radiation-induced injuries, risk factors for deterministic injury, and radiation safety principles and techniques. Tables provide practical tips to lower patient and operator radiation dose during fluoroscopically guided intervention, and National Council on Radiation Protection & Measurements recommended dose limits for occupational exposure. Figures illustrate reference air kerma, radiation-induced skin injury, effects of image receptor and table position, and operator exposure. This review contains 4 figures, 3 tables, and 53 references.

scholarly journals Complication Analysis of 469 Brain Arteriovenous Malformations Treated with N-Butyl Cyanoacrylate

2005 ◽  
Vol 11 (2) ◽  
pp. 141-148 ◽  
Author(s):  
T. L. Li ◽  
B. Fang ◽  
X. Y. He ◽  
C. Z. Duan ◽  
Q. J. Wang ◽  
...  
Keyword(s):  
Arteriovenous Malformations ◽  
Endovascular Procedures ◽  
Endovascular Embolization ◽  
Neurological Deficits ◽  
Embolization Therapy ◽  
Brain Arteriovenous Malformations ◽  
Ischemic Complications ◽  
Brain Avms ◽  
Special Strategy ◽  
Low Rate

We independently assessed the frequency, severity and determinants of neurological deficits after endovascular embolization with NBCA of brain arteriovenous malformations (BAVMs) to have a better basis for making treatment decisions. All the charts of 469 BAVMs patients who underwent embolization with NBCA were reviewed. We analyzed the complications and their relation to angiographic features. The 469 patients were treated with 1108 endovascular procedures. Each met one to eight times, average 2.3 times. Eleven patients showed treatment-related complications, including four haemorrhagic and seven ischemic complications. Of these 11 cases, two died, two had persistent disabling deficits, and another seven suffered transient neurological deficits. Our finding suggests a low rate of disabling treatment complications for embolization of brain AVMs with NBCA in this center. The management of AVM patients who have high risk of embolization therapy should be treated by special strategy.

scholarly journals Endovascular Interventional Radiology of the Urogenital Tract

Medicina ◽  
2021 ◽  
Vol 57 (3) ◽  
pp. 278
Author(s):  
Fabio Pozzi Mucelli ◽  
Roberta A. Pozzi Mucelli ◽  
Cristina Marrocchio ◽  
Saverio Tollot ◽  
Maria A. Cova
Keyword(s):  
Interventional Radiology ◽  
Endovascular Procedures ◽  
Hemorrhagic Cystitis ◽  
Arterial Embolization ◽  
Urogenital System ◽  
Emergency Intervention ◽  
Arteriovenous Fistulas ◽  
Inflammatory Conditions ◽  
Radiation Induced ◽  
Post Traumatic

Interventional radiology of the male urogenital system includes percutaneous and endovascular procedures, and these last consist mostly of transcatheter arterial embolizations. At the kidney level, arterial embolizations are performed mainly for palliative treatment of parenchymal tumors, for renal traumas and, less frequently, for arteriovenous fistulas and renal aneurysms and pseudoaneurysms. These latter may often require emergency intervention as they can cause renal or peri-renal hematomas or significant hematuria. Transcatheter arterial embolization is also an effective therapy for intractable severe bladder hematuria secondary to a number of neoplastic and inflammatory conditions in the pelvis, including unresectable bladder cancer and radiation-induced or cyclophosphamide-induced hemorrhagic cystitis. Endovascular interventional procedures for the penis are indicated for the treatment of post-traumatic priapism. In this article, we review the main endovascular radiological interventions of the male urogenital system, describing the technical aspects, results, and complications of each procedure at the various anatomical districts.

scholarly journals A Grading System for Intracranial Arteriovenous Malformations Applicable to Endovascular Procedures

2000 ◽  
Vol 6 (1_suppl) ◽  
pp. 139-142 ◽  
Author(s):  
B. Sheikh ◽  
I. Nakahara ◽  
A. El-Naggar ◽  
I. Nagata ◽  
H. Kikuchi
Keyword(s):  
Arteriovenous Malformation ◽  
Endovascular Procedures ◽  
Drainage System ◽  
Venous Drainage ◽  
Endovascular Embolization ◽  
Point Of View ◽  
Grading System ◽  
Intracranial Arteriovenous Malformations ◽  
Intracranial Arteriovenous Malformation ◽  
Grading Systems

A grading system was designed by the first author (B.S.) specifically to predict the difficulty of endovascular obliteration of an intracranial arteriovenous malformation based on the feeding arterial characteristics, and the venous drainage system. We have retrospectively reviewed our cases of intracranial arteriovenous malformation, with special interest in those underwent endovascular embolization. The grading of the AVM was by either our new proposed system or by a surgically oriented grading system. Both systems were compared from the endovascular point of view. Using the present proposed grading system intracranial arteriovenous malformation may range from grade I to grade V. The difficulty of the endovascular embolization correlated well with the new grading system, while in most cases it did not reflect the degree of difficulty of the procedure when a pure surgical grading system was used. This newly designed grading system has a better prediction value to the difficulty of performing endovascular embolization than does other grading systems.

Arterio-biliary fistulas: What to choose as endovascular treatment?

Vascular ◽  
2017 ◽  
Vol 26 (4) ◽  
pp. 445-448 ◽  
Author(s):  
Ludomir Stefańczyk ◽  
Michał Polguj ◽  
Wojciech Szubert ◽  
Jarosław Chrząstek ◽  
Piotr Jurałowicz ◽  
...  
Keyword(s):  
High Risk ◽  
Endovascular Treatment ◽  
Biliary Tract ◽  
Chronic Infection ◽  
Endovascular Procedures ◽  
Endovascular Embolization ◽  
Biodegradable Materials ◽  
Risk Of Infection ◽  
Optimal Method ◽  
Biliary Ducts

Objectives Endovascular procedures are the treatment of choice in cases of intrahepatic fistulas. Arterio-biliary fistulas are the rarest and most difficult to treat, due to high risk of infection. Methods Eight cases of persistent hemobilia that developed as a result of arterio-biliary fistulas are presented. Five cases developed as a result of iatrogenic injury, two cases as a result of chronic infection, one case as a consequence of trauma. Results Patients were treated using endovascular embolization or combined endovascular and endoscopic biliary tract revision. The results were monitored after six to seven days and one month after embolization. The embolizations were considered effective in all cases. One patient had four asynchronous fistulas requiring separate treatments sessions. Four patients required a revision of their biliary ducts after embolization and restoration of patency. In one patient, a migration of the coil to biliary ducts occurred. Conclusion Endovascular treatment of arterio-biliary fistulas is safe and effective. The use of embolization with soft and biodegradable materials like histoacrylic glue or thrombin may be the optimal method of treatment in comparison with coils which have a risk of migration or chronic infection.

scholarly journals Radiation-induced skin injury after complex endovascular procedures

2014 ◽  
Vol 60 (3) ◽  
pp. 742-748 ◽  
Author(s):  
Melissa L. Kirkwood ◽  
Gary M. Arbique ◽  
Jeffrey B. Guild ◽  
Carlos Timaran ◽  
R. James Valentine ◽  
...  
Keyword(s):  
Endovascular Procedures ◽  
Skin Injury ◽  
Radiation Induced

Endovascular embolization with Onyx in the management of sinus pericranii: a case report

2009 ◽  
Vol 27 (5) ◽  
pp. E13 ◽  
Author(s):  
Leonardo Rangel-Castilla ◽  
Chandan Krishna ◽  
Richard Klucznik ◽  
Orlando Diaz
Keyword(s):  
Blood Flow ◽  
Case Report ◽  
Cerebral Angiography ◽  
Venous Drainage ◽  
Endovascular Embolization ◽  
Skull Defect ◽  
Drainage Pattern ◽  
Sinus Pericranii ◽  
First Case ◽  
Defect Diagnosis

Sinus pericranii (SP) is an uncommon and usually asymptomatic communication between intra- and extracranial venous drainage pathways in which blood flow can circulate bidirectionally through abnormal dilated veins through a skull defect. Diagnosis and evaluation of the venous drainage pattern is important if treatment is contemplated. Cerebral angiography with the use of Dyna CT can be helpful in the diagnosis of SP and its relationship with the skull defect. The authors report what is, to the best of their knowledge, the first case of SP treated by means of endovascular embolization with Onyx.

scholarly journals Radiation-Induced Cerebral Aneurysm Treated with Endovascular Coil Embolization

2014 ◽  
Vol 20 (4) ◽  
pp. 448-453 ◽  
Author(s):  
Hiroaki Matsumoto ◽  
Hiroaki Minami ◽  
Ikuya Yamaura ◽  
Yasuhisa Yoshida
Keyword(s):  
Cerebral Aneurysm ◽  
Coil Embolization ◽  
Endovascular Procedures ◽  
Cerebral Aneurysms ◽  
Left Internal Carotid Artery ◽  
Risk Of Rupture ◽  
Radiation Induced ◽  
Endovascular Coil Embolization ◽  
Pineal Germinoma ◽  
Small Aneurysms

Radiation-induced cerebral aneurysms are rare. We describe a case of radiation-induced cerebral aneurysm successfully treated with endovascular coil embolization. A 39-year-old man received 60 Gy of radiation to a pineal germinoma at eight years old. The left internal carotid artery (ICA) aneurysm which developed within the irradiated field and stenotic change in the left ICA due to radiation-induced vasculopathy were detected incidentally. Because these aneurysms show a high risk of rupture and mortality, and even small aneurysms are prone to rupture, any such suspected aneurysm should be treated with surgical or endovascular procedures. Endovascular treatment is probably useful if the aneurysm is inaccessible to direct surgery. Special attention must be paid to treatment because of stenotic changes in cerebral vessels within the irradiated field.

scholarly journals Anagen Effluvium after Neurointerventional Radiation: Trichoscopy as a Diagnostic Ally

2021 ◽  
pp. 1-6
Author(s):  
María D. Guerrero-Putz ◽  
Ana C. Flores-Dominguez ◽  
Rodrigo J. Castillo-de la Garza ◽  
Jose A. Figueroa-Sanchez ◽  
Antonella Tosti ◽  
...  
Keyword(s):  
Minimally Invasive ◽  
Cerebral Aneurysms ◽  
Endovascular Embolization ◽  
Brain Lesions ◽  
Minimally Invasive Procedures ◽  
Invasive Procedures ◽  
Comprehensive Review ◽  
Treated Area ◽  
Radiation Induced ◽  
Vellus Hairs

Minimally invasive procedures for vascular brain lesions are being performed more frequently. Radiation exposure caused by endovascular embolization of cerebral aneurysms may give rise to nonscarring scalp alopecia located in the treated area. Clinical and trichoscopic features of this type of alopecia are similar to alopecia areata (AA). Herein, we performed a comprehensive review to describe the clinical and trichoscopic characteristics of radiation-induced anagen effluvium. Predominant trichoscopic findings include black dots, yellow dots, short vellus hairs, and absence of exclamation marks hairs. It is important to consider this diagnosis in patients who have recently undergone such procedures that can easily be misdiagnosed as AA.

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