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Biomedical subjects

B S Bauer

Publications and source records attributed to B S Bauer.

36 records · Page 2Linked to original sources
PubMed1988

Infantile myofibromatosis: a review of clinicopathology with perspectives on new treatment choices.

The fibromatoses are a heterogeneous group of disorders characterized by proliferation of fibroblasts. Infantile myofibromatosis is a variant that is distinctive because of its multicentric origin, appearance at birth, and cellular composition, which is predominantly myofibroblasts. We treated a patient with infantile myofibromatosis with the interesting clinical presentation of a linear lesion involving the left arm and shoulder, and aggressive hepatomegaly with jaundice secondary to fibroblastic infiltration of the common bile duct and gallbladder. Diagnosis was confirmed histologically and ultrastructurally. Excision of the cutaneous lesion was facilitated by tissue expansion of uninvolved regional tissue.

Female↗
PubMed1987

Accelerating recovery after trauma with free flaps.

Free flap versatility and dependability make the final result of microvascular reconstruction highly predictable. Free tissue transplantation should be considered as a primary treatment after trauma. The early use of free tissue transfer will result in fewer operations and a shortened duration of hospitalization in the initial post-trauma period.

Humans↗
PubMed1987

Cysts and cyst-like lesions of the skin and subcutaneous tissue.

Cysts and cyst-like lesions are common occurrences seen in a busy plastic surgical practice. Although many can be treated by surgical excision, they still represent an interesting histologic, etiologic, embryologic, and clinical spectrum. In a number of instances, they require detailed multidiagnostic evaluation and complex surgical approaches to excision. By classifying these cystic masses by age group and anatomic location, the clinician can simplify his or her approach to this group of cutaneous masses.

Adult↗
PubMed1987

Mammary masses in the adolescent female.

Disease of the breast is uncommon in the adolescent female. Of 25,650 surgical specimens examined at The Children's Memorial Hospital in Chicago from 1974 through 1985, only 40 lesions were of adolescent breast origin in females. The ages of the patients ranged from 12 to 22 years. The most common lesion was fibroadenoma (19) followed by gigantomastia and cystosarcoma phyllodes. A malignant lesion is rare in this age group and both instances in this series had predisposing factors (for example, prior regional radiation in childhood). The findings of this study, plus that of the literature reviewed, emphasize conservative treatment with observation followed by simple excision when the patient nears completion of the development of the breast in most instances.

Adenofibroma↗
PubMed1986

Applications of soft tissue expansion in children.

The ability to increase available local tissue by controlled soft tissue expansion has led to a rapid increase in the use of this technique in clinical practice. Our experience in the treatment of children with a wide variety of lesions, in all body areas, demonstrates the advantages and benefits of this relatively new procedure for the pediatric age group. While complications such as infection, implant exposure, deflation, hematoma, and seroma may occur and alter the timing of reconstruction, they rarely compromise the final result. Tissue expansion offers many advantages in soft tissue reconstruction in children when tissue of color, texture, and characteristics similar to that of the defect may be limited.

Child↗
PubMed1986

Nasal dermal sinuses and cysts.

Nasal dermal sinuses and cysts are best detected by careful clinical inspection of the face for tiny ostia or widening of the nasal bridge and by detailed radiologic evaluation of the nasal bones, nasal septum, crista galli and falx. The sinus tracts may remain superficial to bone, extend partway into the nasal septum or pass far posterosuperiorly beneath the nasal bones, through the foramen cecum, and anterior to or through a bifid crista galli to lie between the leaves of the anterior falx. Glabellar sinuses may pass through the midline frontonasal suture to the foramen cecum, crista galli and falx. These courses correspond to embryonic midline diverticula of dura (with or without arachnoid and brain tissue) that protrude into a) the fonticulus nasofrontalis and b) the prenasal space situated behind the nasal bones and in front of the nasal capsule, occasionally reaching the surface ectoderm. Persistence of variable portions of these diverticula results in the clinical spectrum of nasal sinus tracts, fibrous cords, interposed (epi)dermoids, meningoceles, encephaloceles and 'gliomas'.

Adolescent↗
PubMed1984

Reconstruction of the microtic ear.

Although microtia occurs in only 1:7000 to 8000 births, this major congenital ear deformity can result in significant psychological trauma for the affected child. Reconstruction of this complex deformity represents one of the greatest challenges to the reconstructive surgeon. Based on the pioneering work of Tanzer and Brent, the techniques have matured to the point that consistently good results can be obtained and many of the resultant problems associated with the deformity avoided. In classic microtia, a sausage-shaped vestige is made up of a rudimentary lobule and various additional remnants. The external canal is usually absent. Where hearing is normal in the opposite ear, it is not necessary to reconstruct the middle ear or external canal on the affected side, and these procedures may compromise the result of the external ear reconstruction. The staged reconstruction of the microtic ear, which can begin at 5 years of age, involves: placement of an autogenous cartilage framework; rotation of the lobule, formation of a conchal depression and tragal reconstruction; limited elevation of the helical rim; and minor final adjustments. The cartilage is placed during the first stage to make maximal use of the non-scarred elastic skin in the area of the skin pocket. This allows better splicing of the lobule in the second stage. The use of a very thin skin flap over the framework allows heightened definition of cartilage detail, better skin-cartilage coaptation, and at appears to play a vital role in preventing late deformation of the cartilage framework.(ABSTRACT TRUNCATED AT 250 WORDS)

Child↗
PubMed1984

The anatomy of the orbicularis oris muscle in unilateral cleft lip based on a three-dimensional histologic reconstruction.

The midface of a full-term, stillborn infant with a right complete unilateral cleft lip and palate has been examined by serial histologic sections and a three-dimensional model has been created. The arrangement of the orbicularis oris muscle fibers observed differs markedly from previous descriptions. There is a chaotic arrangement of muscle fibers with no separate muscle layers distinguishable. Muscle fibers on both sides of the cleft insert into the dermis, although the amount of muscle on the medial side is quite sparse compared with the lateral side. There is no evidence of muscle bundles paralleling the cleft margins. An unexpected finding is a significant number of muscle fibers streaming over the cleft ala. In view of these findings, differing as they do from previous reports, there would seem to be strong justification for histologic investigation of the arrangement of muscle fibers in cleft lip to be repeated as further specimens become available.

Angiography↗
PubMed1983

Functional cleft lip repair: a sequential, layered closure with orbicularis muscle realignment.

A lip repair based on anatomic and electric stimulation studies of the orbicularis muscle in unilateral cleft lip has previously been reported by one of the authors. Following some early modifications, this technique has been used on 125 primary lip repairs. The details of the present technique are described here. The advantages of the procedure, in addition to its functional reconstruction of the orbicularis muscle, are in its applicability to clefts of all widths and superior scar formation. The sequential nature of the procedure and freedom from commitment to a fixed, measured pattern at the outset makes the teaching of the method easier and the achievement of a pleasing result more predictable.

Cleft Lip↗
PubMed1982

The case of early bone grafting in cleft lip and cleft palate.

To date there are conflicting reports in the literature as to the efficacy of early maxillary orthopedic procedures and primary osteoplasty in newborns with complete clefts of the lip, alveolus, and palate. Ross accounts for the disagreement by stating that the critical variable may be the surgical procedure utilized in closing the palate, not necessarily the placement of the graft. Friede has also postulated that perhaps it is principally a difference in the graft techniques. Cephalometric evaluation of our sample at 13 years 11 months of age compared with a like sample wherein the primary osteoplasty had not been done showed the two samples to be clinically the same. We feel that in utilizing our sequence of procedures and carefully monitoring facial growth of these children we do not adversely influence facial growth and, in fact, present a more favorable maxillary segment alignment and teeth in better overall occlusion than if we had not done these procedures. From our results, we conclude that there should be no condemnation of the principle of this treatment because of individual failings and failures. Although differences in techniques can and do influence results, the concept of maxillary orthopedics and primary osteoplasty need not be thrust aside even if some techniques are found wanting.

Age Factors↗
PubMed1982

Incorporation of the W-plasty in repair of macrostomia.

Macrostomia is an uncommon deformity, the features of which have been outlined. The importance of accurate preoperative marking of the normal landmarks and three-layered repair are stressed. Our technique combines triangular mucosal flaps at the commissure, reconstruction of the oral and buccal musculature, and skin closure using a W-plasty. This skin closure results in a less conspicuous scar while still preventing lateral drift of the commissure. We feel this is an effective surgical procedure that yields consistent clinical results.

Humans↗
PubMed1981

Lymphangioma circumscriptum--a clinicopathological review.

Our experience with 3 extensive cases of lymphangioma circumscriptum and a literature review are presented. Excision of these lesions should always be thorough and include all subcutaneous tissue down to fascia. Frozen section may be helpful. Partial excision of troublesome areas or excision of the large deep cystic areas may be indicated in very extensive lesions. When these conditions are satisfied, the result of surgery should improve.

Adolescent↗
PubMed1981

Congenital midline nasal muscle with associated nasal deformity.

A case is presented of a congenital nasal deformity consisting of a midline nasal muscle, alar cartilage defect, and partially obstructed nostril. The embryology of nasal development is reviewed, and an attempt is made to explain this unique anomaly.

Cartilage↗
PubMed1981

Juri scalp flap.

Explore the source record for details and available documents.

Female↗
PubMed1980

Carcinoma arising in sebaceous and epidermoid cysts.

Malignant degeneration of sebaceous and other epidermoid cysts in uncommon, but it does occur in approximately 2.2% of cysts examined. It should be suspected in patients with atypical appearance or a history of cyst recurrence. All cysts should be examined histologically and the histological grade carefully noted. This paper reports a well-differentiated squamous cell carcinoma arising in an epidermoid cyst. Wide excision was performed, including superficial parotidectomy, because of histological evidence of extension beyond the cyst. Based on the literature, recurrence or metastasis of our patient's tumor appears unlikely.

Aged↗
PubMed1980

Experience with the Tajima procedure in primary and secondary repair in unilateral cleft lip nasal deformity.

The method of cleft lip nasal deformity repair described by Tajima and Maruyama appears to produce superior results compared to other methods we had tried. A modified technique of suture placement, aided by our special nasal retractor, greatly simplifies suture placement. In both primary and secondary cases, significant and maintained improvement has been achieved with what is a comparatively simple and standardized procedure.

Cleft Lip↗
PubMedDate not supplied

Nevus cells and special nevomelanocytic lesions in children.

Nevomelanocytic lesions in children represent a wide spectrum of proliferative neurocristopathies, ranging from the common small and benign congenital nevi to the garment-type congenital lesions. Included in this spectrum are some rare entities like neurocutaneous melanocytosis, malignant melanoma simulants, and special variants of congenital pigmented nevi. Here, we analyze some tissue culture characteristics of nevomelanocytic cells from giant and small congenital nevi, neurocutaneous melanocytosis, and a rare variant of nevus named "bulky nevocytoma." Correlations with their histological, immunohistochemical, and ultrastructural features are addressed.

Brain↗