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Biomedical subjects

B Cosman

Publications and source records attributed to B Cosman.

At least 19 recordsLinked to original sources
PubMed1991

Evaluation of argon laser surgery in children under 13 years of age.

Argon laser surgery is an effective treatment for ectasias and congenital port-wine stains; however, its use in children under the age of 13 is controversial. This paper reviews 202 children under the age of 13 who underwent argon laser treatments for congenital port-wine stains, spider angiomas, epidermal nevi, and lentigines. The clinical characteristics of port-wine stains in 170 children are discussed. Good to excellent results (moderate to complete clearing) in port-wine stains were obtained in 60 percent of patients and seemed to correlate best with lack of blanchability on pressure. Hypertrophic scarring was seen in only 7 children, all of whom had undressed wounds; no significant scarring has been seen in any subsequent child who had maintained a dressed wound postoperatively.

Adolescent↗
PubMed1989

An effective cosmetic treatment for Ota's nevus.

The congenital facial melanocytic lesion Ota's nevus is reviewed, and an effective cosmetic treatment--sequential dry ice application and epidermal peeling combined with argon laser--is discussed. It is emphasized that Ota's nevus is not simply a dermal lesion and that patients should receive careful ophthalmological follow-up.

Adult↗
PubMed1989

Health hazards of firefighters: acute pulmonary effects after toxic exposures.

As part of an environmental monitoring and medical surveillance programme to evaluate potential health hazards from firefighting, complete baseline medical examinations were performed on a cohort of 77 firefighters. During a ten day study period, 37 follow up medical examinations were performed after exposure to fire to monitor any significant differences in pre-fire and post-fire physiological indices, including pulmonary function and blood counts and chemistries. For the group as a whole, no significant differences were found. For individuals not wearing respiratory protective equipment, however, statistically significant post-fire decrements in FEV1 and FVC were noted. These decrements were consistent with previously shown levels of exposure to pulmonary toxicants in this cohort. These results support the need for more extensive use of respiratory protective equipment by firefighters.

Cohort Studies↗
PubMed1987

Superpulse CO2 laser treatment of facial syringomata.

Eight patients with facial syringomata have been treated with the superpulse CO2 laser and followed for periods up to 3 years. Superpulse capability allows satisfactory photovaporization of overlying skin and exposure and liberation of the underlying cyst. Healing was satisfactory with minimal scarring and no persistence or recurrence of syringomata in five of eight cases.

Adenoma↗
PubMed1984

Premaxillary excision: reasons and effects.

Case reports of five bilateral cleft lip and palate patients subjected to premaxillectomy at ages from 5 to 11 years are presented and the reasons for the procedure noted in each instance. Followed into adolescence, an abnormal peaked configuration of the maxillary arches termed "church steeple" defect developed in four of the five patients. Midfacial growth arrest with pseudoprognathism did not occur in any. Details of the surgical technique used are specified. Features of prosthetic and soft-tissue reconstruction are noted. The history and rationale of primary and secondary premaxillectomy are reviewed. Secondary excision of the premaxilla can be a valid treatment option in a few specifically selected cases.

Adolescent↗
PubMed1984

The question mark ear: an unappreciated major anomaly of the auricle.

Eight and possibly nine cases of a major congenital ear anomaly that has been termed the question mark ear have been presented in the course of the last two decades. The consistency of the appearance of the anomaly and the demonstration that it has in several instances been familial makes it clear that a chance event is not involved, but rather that a consistent anomaly is being described. Appropriate repair requires reduction in size and prominence of the upper ear as well as correction of the waist between the upper ear and the lobule. This anomaly should take its place with the other major congenital defects of the external ear.

Ear, External↗
PubMed1982

Role of retreatment in minimal-power argon laser therapy for port wine stains.

Retreatment of previously lased areas of port wine stains can offer significant additional improvement over initial results. From 1977 to 1981 123 patients were subjected to 191 treatments employing the argon laser using an individually varied minimal power dose. Thirty-three areas have been treated a second time a year after the first therapy and six doubly treated areas have also been studied. The additional improvement achieved by retreatment together with the minimal additional chance of complication adds to the safety and practicality of minimal dosage technique. The theoretical considerations allowing successful retreatment are presented and the results of this approach are demonstrated. The timing of retreatment and its limitations are also considered.

Argon↗
PubMed1980

Clinical experience in the laser therapy of port wine stains.

Experience in the setting up of a laser facility for the treatment of port wine stains is presented. Clinical material relative to the natural history of the port wine stain lesion is discussed. Results obtained in 202 patients treated with the argon laser are studied and photographic results presented. Methods of clinical evaluation are offered. Clinical parameters affecting results are identified. The relationship between test spot results and treatment areas is demonstrated. Treatment strategy is mentioned. The argon laser therapy of port wine stains is a valid technique justifying further work to establish age limits and other clinical features which may affect results.

Adolescent↗
PubMed1980

Piggyback composite ear grafts in nasal ala reconstruction.

Two cases of nasal ala reconstruction are presented, documenting the feasibility of sequentially adding one cartilage-containing composite ear graft onto another in piggyback fashion. The junction between the composites is relatively unnoticeable. This technique enables one to fully correct a nasal defect that has been incompletely reconstructed using a single composite graft, thanks to a partial take or to shrinkage that has reduced the graft bulk more than was anticipated. Defects of a size greater than would be amenable to a single composite graft may be repaired by planned serial addition.

Adult↗
PubMed1980

Experience in the argon laser therapy of port wine stains.

A total of 202 patients with port wine stains have been studied and many aspects of their clinical condition detailed. Employing ther argon laser, 136 test spots have been carried out in 132 patients and the results have been analyzed and correlated with clinical aspects of the lesions. Altogether, 85 treatments were performed in 54 patients and the results were examined in the same way as the test spots. Good to excellent results were obtained in 75 percent of test spots and 60 percent of treatments in that significant lightening of treated areas was achieved. While elimination of lesions was rare, considerable amelioration was common. Scarring was uncommon but was the most appreciable complication. Residual lesion was the most common cause of fair or poor results. The value of secondary treatment is suggested but remains to be established. The directions of ongoing clinical study are outlined.

Adult↗
PubMed1980

Delayed hard palate repair and speech deficiencies: a cautionary report.

In the management of patients with complete palatal clefts early repair of the soft palate (before 1 year of age) and delayed repair of the hard palate (after five or six years of age) has been advocated on the basis that good speech will develop following soft palate closure and that avoidance of trauma to the hard palate will obviate maxillary growth disturbance. In addition, it is said that many of the remaining hard palate fistulas will close spontaneously and that residual hard palate openings will be easy to close. Thirty-two cases treated in this way are reviewed, and a decade of experience with this technique is presented. A majority of cases failed to develop acceptable speech spontaneously. A very high percentage suffered both anterior and posterior air escape and a strikingly high proportion required pharyngeal flaps. Spontaneous complete closure of the hard palate was infrequent. The hard palate openings were not easy to close. The speech deficiencies associated with this technique are clear. The method's possible advantages in relationship to maxillofacial growth remain difficult to prove and were not specifically investigated in this study.

Child↗
PubMed1978

Another seventeenth-century denigration of Gaspare Tagliacozzi.

Gaspare Tagliacozzi published his carefully documented procedures for nasal reconstruction at the end of the sixteenth century. However, almost all authorities in the succeeding century failed to give him credence. Although his name was widely known, his work became an object of scorn. James Cooke, author of one of the most popular English surgical textbooks of the seventeenth century, in an amusing and previously unnoted reference, adds to this denigration and helps to explain why nasal reconstruction became a subject of satire in England.

England↗
PubMed1978

The constricted ear.

Explore the source record for details and available documents.

Constriction, Pathologic↗