Protruding Auricle: A Neuromuscular Sign

Smith, Dale E.; Takashima, H

doi:10.1016/s0140-6736(78)90860-7

Cited by 29 publications

(11 citation statements)

References 4 publications

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“…An interesting account of various lobule anomalies and their associated syndrome is given by Hunter and Yotsuyanagi (2005). Although it has been suggested that anomalies of the insertion and orientation of intrinsic muscles of the pinna may be responsible for variation in external ear morphology (Smith & Takashima, 1978), it has been noted that in many cases the anomalous insertion might be secondary. In the case of lobule the insertion of extrinsic muscle is definitely not a factor affecting the shape because the lobule does not have any extrinsic muscle.…”

Section: Discussionmentioning

confidence: 99%

Morphometric study of ear lobule in northwest Indian male subjects

et al. 2007

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A total of 260 male subjects between 1 and 80 years of age of north-west region of India were studied with regard to morphometry of the ear lobule. The purpose of the present study was to obtain average values and range of measurements of several parameters of the ear lobule and the differences between right and left lobules. Female subjects were excluded from the study due to piercing. Various measurements of lobule were taken with the help of Vernier and Lange's calipers. The results of the aforementioned measurements were analyzed statistically using Student's t-test. The maximum length of the lobule increased appreciably between 6-15 years and 41-80 years. The breadth of the ear lobule increased up to the age of 15 years and was almost static between the ages of 16 and 40 years and increased again from 41 years onwards. Length of the lobule showed significant growth from the age group of 6-10 to 11-15, 21-40 to 41-60 and 41-60 to 61-80 years on the right side and 6-10 to 11-15 and 21-40 to 41-60 years on the left side. Breadth and thickness of ear lobule also showed statistically significant growth pattern in some age groups. On comparing the ear lobe dimensions with the studies available in other populations of the world, it was observed that north-west Indians have smaller ear lobules as compared to Caucasian and Japanese populations. In the present study, the frequency of attached (square) type of lobules was the maximum, followed by free (pendulous) type and tapering lobules. These findings were similar to those found among the Onge tribe of Andhra (India) and Newars of Nepal.

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Section: Discussionmentioning

confidence: 99%

Morphometric study of ear lobule in northwest Indian male subjects

et al. 2007

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“…As a result, he developed one of the first reported surgical otoplasty procedures. Almost 100 years later, Smith 2 suggested that certain ear deformities were acquired rather than congenital. In 1984, Matsuo et al 3 described successful nonsurgical correction (with molding and taping) of congenital auricular deformities in the early neonate.…”

Section: Discussionmentioning

confidence: 99%

Enzymatic Recontouring of Auricular Cartilage in a Rabbit Model

Massengill

Goco²,

Norlund³

et al. 2005

Archives of Facial Plastic Surgery

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“…The presence of skin tags, asymmetry or atretia of the ear lobes can be indicative of brain maldevelopment [6]. The eyes should be examined for strabismus, cataracts or colobomas.…”

Section: Methodsmentioning

confidence: 99%

Concepts on Childhood Microcrania: A Clinical Overview for the Neurosurgeon Who Is Evaluating a Child with a Small Head

James

Perszyk²

2011

Pediatr Neurosurg

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Purpose: Infants and children with microcrania are referred to pediatric neurosurgeons for evaluation and treatment of possible craniosynostosis and other disorders. We present an approach to these children to facilitate the appropriate clinical evaluation and management. Methods: We reviewed our experience and the literature on infants and children with microcephaly, and developed a management strategy for these children when seen in the University of Florida Division of Pediatric Neurosurgery. Results: We request the same sex parent to accompany the child for their consultation. If the head circumference of the child matches that of the same sex parent in percentiles, and there are no other abnormalities, no further assessment or studies are performed. If there is a disproportionate head size to that of the same sex parent and/or other structural abnormalities are present, the child is referred to clinical genetics for further assessment. Conclusions: When patients are referred to pediatric neurosurgery for microcrania, their head size should be compared to that of the same sex parent. This will facilitate the diagnosis of familial microcephaly, and if no other abnormalities are noted, no further studies or surgical interventions are necessary.

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Protruding Auricle: A Neuromuscular Sign

Cited by 29 publications

References 4 publications

Morphometric study of ear lobule in northwest Indian male subjects

Morphometric study of ear lobule in northwest Indian male subjects

Enzymatic Recontouring of Auricular Cartilage in a Rabbit Model

Concepts on Childhood Microcrania: A Clinical Overview for the Neurosurgeon Who Is Evaluating a Child with a Small Head

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