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Dive into the research topics where Michael L. Lewin is active.

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Featured researches published by Michael L. Lewin.


Plastic and Reconstructive Surgery | 1980

Velopharyngeal insufficiency due to hypoplasia of the musculus uvulae and occult submucous cleft palate.

Michael L. Lewin; Charles B. Croft; Robert J. Shprintzen

With the help of nasopharyngoscopy, it was possible to delineate specific morphologic changes in the palates of patients with velopharyngeal insufficiency, without an overt cleft and without the triad of symptoms of submucous cleft palate, visible through the oral cavity. Such malformations are part of the broad spectrum of the faulty midline mesodermal fusion of the palate. This anomaly is aptly called occult submucous cleft palate, because it can only be detected by viewing the functioning palate from the nasal surface. The musculus uvulae is either absent or deficient and is frequently associated with some degree of muscular diastasis that does not involve the oral surface. Like the cleft of the secondary palate, the submucous cleft palate often occurs as part of a generalized syndrome of multiple malformations.


Plastic and Reconstructive Surgery | 1980

The role of lateral pharyngeal wall movement in pharyngeal flap surgery.

Ravelo V. Argamaso; Robert J. Shprintzen; Berish Strauch; Michael L. Lewin; Avron Daniller; Arthur G. Ship; Charles B. Croft

A total of 202 patients with pharyngeal flaps were assessed with nasopharyngoscopy and multiview fluoroscopy to determine the role of lateral pharyngeal wall movement postoperatively. Variations in the construction of flaps resulted in three categories: namely, a long narrow flap with a high insertion, a short broad flap with a low insertion, and an intermediate-size flap that is inserted in a position somewhere between the first two. It was found that in all cases where there was no evidence of velopharyngeal insufficiency, the sole determiner of velopharyngeal closure was the medical excursion of the lateral pharyngeal walls to the sides of the flap. In flap failures, the causes for velopharyngeal insufficiency were inappropriate degree, level, and symmetry of the lateral pharyngeal wall motion. The success of pharyngeal flap surgery depends largely on the preoperative assessment of the velopharyngeal mechanism and the choice of a type of pharyngeal flap that will best assist closure of the velopharyngeal port during speech.


Plastic and Reconstructive Surgery | 1979

Localized cerebritis following an esthetic rhinoplasty.

Michael L. Lewin; Ravelo V. Argamaso; Steven J. Friedman

We report a case of Wernickes sensory aphasia, caused by a localized cerebritis of the left temporal lobe. The condition developed in the second week after an esthetic rhinoplasty. There was an associated small abscess in the right inner canthal area.


Aesthetic Plastic Surgery | 1978

The lateral transhelical approach for correction of deformities of the external ear.

Ravelo V. Argamaso; Michael L. Lewin

Additional experience with the chondrocutaneous flap in the repair of auricular defects showed that (i) the entire medial surface of the auricle can be easily and rapidly exposed through this approach, and (ii) the transhelical scar on the lateral surface of the ear remains inconspicuous. The skin of the lateral surface of the ear is similar to that of the eyelids and forms flat, smooth scars which do not hypertrophy. Furthermore, these scars are hidden under the curl of the helix. Through this approach, correction of the protrusion can be accomplished by any method or combination of methods which call for manipulation on the medial surface of the auricle. The scar is remote from the site of manipulation of the cartilage. An additional advantage of this procedure is that it can be combined easily with a small reduction in the size of the scapha.


European Journal of Plastic Surgery | 1975

Lip commissuro-plasty alter electrical burns

Ravelo V. Argamaso; Berish Strauch; Michael L. Lewin; Arthur G. Ship; Ariel Garcia

SummaryA procedure has been presented for the reconstruction of full thickness destruction of the oral commissure resulting from electrical burns. Major features are the translocation of orbicularis oris muscle remnants to restore muscle continuity, and the use of local skin and mucosa to provide the elements of a normal commissure.


European Journal of Plastic Surgery | 1974

Abdominal lipocutaneous reduction

Ravelo V. Argamaso; Barry H. Schwiber; Michael L. Lewin

SummaryThe history of surgical correction of the pendulous abdomen is briefly reviewed. Based on our experience in 30 consecutive cases, the method of lipocutaneous reduction is outlined, incorporating modifications of previously described techniques.


Plastic and Reconstructive Surgery | 1988

Advances in Plastic and Reconstructive Surgery

Mutaz B. Habal; Michael L. Lewin; William D. Morain; Robert W. Parsons; John E. Woods; Hal G. Bingham


Plastic and Reconstructive Surgery | 1950

Formation of the Helix with a Postauricular Flap

Michael L. Lewin


Plastic and Reconstructive Surgery | 1968

Repair of partial ear loss with local composite flap.

Ravelo V. Argamaso; Michael L. Lewin


Plastic and Reconstructive Surgery | 1966

Nonmalignant maxillofacial tumors in children.

Michael L. Lewin

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Ravelo V. Argamaso

Albert Einstein College of Medicine

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Berish Strauch

Albert Einstein College of Medicine

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Robert J. Shprintzen

State University of New York Upstate Medical University

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Avron Daniller

University of California

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Barry H. Schwiber

Albert Einstein College of Medicine

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Douglas S. Lipton

National Dairy Research Institute

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