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Original Paper | 31-January-2019

Ultrasonographic study of the incidence of pyramidal lobe and agenesis of the thyroid isthmus in Nnewi population

Abstract Introduction: Ultrasound is the most reliable imaging modality for thyroid evaluation due to the limitations in the clinical examination of this gland. Thyroid gland developmental anomalies are rare. Most of its variations are due to the persistence of the thyroglossal duct and the absence of the isthmus. The aim of this study was to determine the incidence of pyramidal lobe and agenesis of the thyroid isthmus in Nnewi population using ultrasound. Materials and method: A total of 321

Lotanna Somtoo Akudu, Ukoha Ukoha Ukoha, Jervas Ekezie, Chinwe Clarice Ukoha

Journal of Ultrasonography, Volume 18 , ISSUE 75, 290–295

Article | 30-July-2021

Dental age assessment in Caucasian subjects with third molar agenesis

Background: Delayed dental development has been linked with tooth agenesis. Research aimed at dental age estimation in subjects with third molar agenesis has been minimal. Objectives: To investigate the association between dental stage of development and third molar agenesis. Materials and methods: A total of 700 orthopantomograms (OPTs) were obtained for this study. The age of the subjects ranged from 10 to 16 years (13.66 ± 1.50 years). The subjects were divided into two groups of

Elham S. Abu Alhaija, Aftima A. Derbash, Susan N. Al-Khateeb

Australasian Orthodontic Journal, Volume 33 , ISSUE 1, 35–39

Review Paper | 06-December-2013

Corpus callosum and epilepsies

brain imaging methods. Agenesis or dysgenesis of corpus callosum (AgCC) might be considered an accidental finding. Epileptic seizures occur in up to 89% of patients with AgCC. The causal relationship correctly is questioned. However, additional causative malformations of midline and/or telencephalic structures can be demonstrated in most seizure patients. The interruption of bilateral spread of seizure activities acts as the concept for callosotomy as epilepsy surgery. Indications are drug-resistant

Gerhard Bauer, Elżbieta Płonka-Półtorak, Richard Bauer, Iris Unterberger, Giorgi Kuchukhidze

Journal of Epileptology, Volume 21 , ISSUE 2, 89–104

research-article | 15-June-2020

Gradual diagnosis and clinical importance of prenatally detected persistent left superior vena cava with absent right superior vena cava – a case report and literature review

categorized as isolated malformations of cardinal veins, and, among others, PLSVC is the most common variant of anomalous systemic venous return in adults(2,3). The aim of our article was to present a case report of a fetus with PLSVC and agenesis of the right superior vena cava (SVC), as well as to emphasize the diagnostic role of a prenatal cardiology center. We also wish to show the clinical significance of PLSVC based on a literature review. Case report A 23-year-old secundigravida was referred to

Oskar Sylwestrzak, Maria Respondek-Liberska

Journal of Ultrasonography, Volume 20 , ISSUE 81, e146–e150

research-article | 13-July-2021

Orthodontic treatment of a case with a congenitally missing maxillary canine and a malformed contralateral canine

Introduction The most common craniofacial congenital malformation in humans is tooth agenesis, which, excluding third molars, ranges in prevalence from 1.6% to 9.6% depending on the population studied.1 Tooth agenesis may also be seen in the deciduous dentition, but with a lower prevalence ranging from 0.5% to 0.9%.2 Tooth agenesis of six or fewer teeth (excluding third molars) is referred to as hypodontia,1 and 80% of individuals with hypodontia have only one or two missing teeth.3 The most

Ahmed I. Masoud, Feras H. Bindagji

Australasian Orthodontic Journal, Volume 37 , ISSUE 1, 121–127

research-article | 13-July-2021

Prevalence and pattern of permanent tooth agenesis among multiracial orthodontic patients in Malaysia

(4.4) 3 (4.7) Total 18 (100) 46 (100) 64 (100) Table III. Hypodontia according to side and uni- or bilateral occurrence. Tooth type Right side Left side Bilateral agenesis Unilateral agenesis Total No. % of sample % of missing teeth No. % of sample % of missing teeth No. % of sample % of missing teeth No. % of sample % of missing teeth No. % of sample % of missing teeth 32/42 11 1.4 9.4 10 1.2 8.5 5 0.6 4.3 11 1.4 9.4 16 2.0 17.9 12/22 11 1.4 9.4 10 1.2 8.5 7

Nor Nadia Zakaria, Yasmin Kamarudin, Lim Ghee Seong, Nur Shahirra Sulaiman, Siti Aisyah Atirah Anuar

Australasian Orthodontic Journal, Volume 37 , ISSUE 1, 79–84

Article | 20-July-2021

A skeletal Class III malocclusion with agenesis and canine-bicuspid transposition: a non surgical approach

Carlos Bellot-Arcís, Verónica García-Sanz, Vanessa Paredes-Gallardo

Australasian Orthodontic Journal, Volume 34 , ISSUE 1, 94–102

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