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1.
J. vasc. bras ; 12(1): 40-44, jan.-mar. 2013. ilus
Article in Portuguese | LILACS | ID: lil-670386

ABSTRACT

Os aneurismas de artéria carótida interna (ACI) extracraniana são raros. Há poucos relatos na literatura médica quanto à sua etiologia, relacionando-os à doença aterosclerótica, às arterites e alterações decorrentes do trauma ou após procedimento cirúrgico. A história natural da doença ainda não está bem estabelecida. Entretanto, o potencial risco de embolia originário do aneurisma ou mesmo de sua ruptura indica necessidade de intervenção. Apresentamos o relato de caso de uma mulher de 71 anos diagnosticada com aneurisma de 3 cm de diâmetro da ACI extracraniana direita com queixas de cefaleia pulsátil. Após tentativa sem sucesso de tratamento endovascular, optou-se pelo tratamento cirúrgico com aneurismectomia e anastomose primária término-terminal próximo à base do crânio.


Aneurysms of the extracranial internalcarotid artery are rare. There are few reports in the medical literature about the etiology of this disease, relating it to atherosclerosis, arteritis and alterations due to trauma or after a surgical procedure. The natural history of this disease has not been defined. However, the potential risk of embolism or rupture creates a need for intervention. We will present the case of a 71 year old woman with pulsatile headaches who was diagnosed a 3 cm aneurysm of the right extracranial internal carotid artery. After an unsuccessful attempt at endovascular treatment, we performed an aneurysmectomy and primary arterial anastomosis near the cranium base.


Subject(s)
Humans , Female , Aged , Intracranial Aneurysm/surgery , Intracranial Aneurysm/diagnosis , Intracranial Aneurysm , Carotid Artery, Internal/ultrastructure , Angiography , Embolization, Therapeutic/methods , Heparin/classification , Stents , Tomography, Emission-Computed
2.
Rev. bras. otorrinolaringol ; 71(4): 410-414, jul.-ago. 2005. ilus, tab
Article in Portuguese | LILACS | ID: lil-419320

ABSTRACT

As relações entre as diversas estruturas nobres e vitais que se apresentam na intimidade do osso temporal constituem ainda hoje um grande desafio para o cirurgião otológico. Os estudos micro-anatômicos do mesmo se encontram entre as grandes armas na busca deste entendimento. OBJETIVO: Estudar as correlações anatômicas entre o canal carótico e a cóclea, e a ocorrência de deiscências do mesmo junto à cavidade timpânica. MATERIAL E MÉTODO: Estudo microscópico de 122 ossos temporais humanos. RESULTADOS As distâncias médias entre o canal carótico e os giros cocleares foram: no local de menor distância 1,05mm; no giro basal, 2,04mm; no giro médio, 2,32mm; e no giro apical, 5,7mm. A ocorrência de deiscências do canal carótico na cavidade timpânica foi de 35,2 por cento. CONCLUSÃO: A pequena distância entre estruturas cocleares e o canal carótico, e a alta prevalência de deiscências do mesmo na cavidade timpânica nos relembram o desafio com o qual o cirurgião otológico se depara ao atuar sobre o osso temporal.


Subject(s)
Humans , Male , Female , Child , Adolescent , Adult , Middle Aged , Aged, 80 and over , Carotid Artery, Internal/ultrastructure , Cochlea/ultrastructure , Ear, Middle/ultrastructure , Temporal Bone/ultrastructure , Carotid Artery, Internal/surgery , Cochlea/surgery , Intraoperative Complications , Ear, Middle/surgery , Temporal Bone/surgery , Otologic Surgical Procedures/instrumentation , Otologic Surgical Procedures/methods , Sex Distribution
3.
Braz. j. morphol. sci ; 24(4): 244-247, Oct.-Dec.2004. ilus
Article in English | LILACS | ID: lil-658774

ABSTRACT

Variations in the course of the internal carotid arteries (ICA) are reported in the literature as coiling, looping,kinking or tortuosities of the vessels. Nevertheless, the definitions between these variants are confusing. Also, the clinical relevance of morphological anomalies of extracranial ICA is a matter of debate because of up to date the natural history of kinking, coiling and tortuosities of this artery is not well known. However, some authors consider that these conditions are burdened with disabling, even fatal neurological complications.Also, variations of the ICA cervical course may lead to direct contact of the artery with the pharyngeal wall, being of great clinical relevance due to the large number of routine procedures performed in this region. In the present study, we describe two cases of ICA tortuosities and review the current literature regarding the causes, symptoms and clinical significances of the variations of the cervical ICA course. Tortuosity of the cervical ICA is not a rare condition and they can easily be mistaken clinically for an aneurysm, a tumor or an abscess and subsequently injured during an attempted biopsy or excision. Thus, regardless the controversy of its causes (congenital or acquired) it should be included in the differential diagnosis of cervical soft tissue widening. Also, they should be taken into consideration on the diagnostic procedures for ischemic transitory attacks and/or stroke.


Subject(s)
Humans , Male , Middle Aged , Carotid Artery, Internal/abnormalities , Carotid Artery, Internal/ultrastructure , Carotid Artery, Internal , Intracranial Arteriovenous Malformations , Carotid Artery, Internal/anatomy & histology , Cadaver , Diagnosis, Differential , Microscopy
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