Martin Steiner

Myositis ossificans traumatica of the masseter muscle: Review of the literature and report of two additional cases

Myositis ossificans traumatica of the masseter muscle is uncommon. The condition is benign and results in reactive heterotopic bone formation, usually producing limitation of opening of the jaws. Radiographic and microscopic examination can confirm the diagnosis. Treatment of myositis ossificans traumatica of the masseter muscle is surgical, with other modalities used when occurring in other muscles of the body.

Odontogenic infection leading to cervical emphysema and fatal mediastinitis

Abstract A case of fatal mediastinitis following an odontogenic infection has been presented. The anatomic pathways through fascial planes from the mouth to the mediastinum have been reviewed. The causes of cervical emphysema when the oral cavity is an entry site have been discussed. Usually this process is benign, but the possibility that gas-forming anaerobes could be present in the emphysema and that insidious mediastinitis could concurrently occur is stressed. The presence of Bacteroides asaccharolyticus in the anaerobic cultures from the submandibular and chest abscesses, and the recovery of aerobic organisms, leads to speculation about a synergistic action between these organisms.

Malignant tumors of Stensen's duct.

A rare case of squamous cell carcinoma arising in Stensens duct is reported. The literature concerning malignant neoplasia originating in this site is reviewed, with attention given to the histopathologic diversity of neoplasms occurring in the duct, criteria for determination of origin in the duct, and outcomes of therapy.

Klippel-Trenaunay-Weber syndrome

Klippel-Trenaunay-Weber syndrome exhibits vascular anomalies including hemangiomas and varicose veins that commonly appear in the facial area. Characteristic findings involving the oral cavity include an enlarged maxilla, displacement of teeth, and malocclusions. Two cases are presented, with generalized and oral findings ranging from a mild to a very severe form of the syndrome.

Parosteal lipoma of the mandible

Abstract The parosteal lipoma represents an uncommon benign neoplasm which usually affects the long bones. An example of parosteal lipoma involving the body of the mandible, which was incidentally discovered on roentgenographic examination, is described. This represents the first reported example affecting the jaws. Benign lipomatous involvement of bone is also reviewed.

Short-term storage of freshly harvested bone

An in vitro study was designed to test effects of various graft storage media on glucose metabolism and collagen synthesis of embryonic chick tibiae, using these variables as indices of bone cell viability. Normal saline solution, distilled water, and 5% dextrose in lactated Ringers solution were evaluated after a 5-hour incubation and again after a 3-day recovery period in a complete culture medium. The study suggests that bone grafts may be stored in normal saline solution or 5% dextrose in lactated Ringers solution for up to 5 hours. Normal saline solution is recommended because of fewer deleterious effects. Distilled water should not be used as a storage medium for bone grafts.

The differentiation of malignant lymphoma from anaplastic seminoma in a patient presenting with testicular and jaw swelling.

The histologic differentiation of anaplastic seminoma from lymphoma is often difficult. In the case presented, a malignant lymphoma showing prominent testicular and jaw involvement was initially interpreted as seminoma. The histologic and ultrastructural criteria for differentiation, as well as a comparison of the clinical and epidemiologic characteristics of these tumors, are discussed. A reassessment of previously reported cases of seminoma metastatic to the jaws/antrum, made relative to these data, suggests that in most cases the tumors may actually be lymphomas.

Postextraction Panfacial Cellulitis (Sweet's Syndrome) Mimicking an Odontogenic Infection

*Professor, Department of Surgical/Hospital Dentistry, School of Dentistry. University of Louisville, Louisville, KY. Professor, Department of Surgical/Hospital Dentistry, School of Dentistry. University of Louisville, Louisville, KY. Former Chief Resident, Department of Surgical/Hospital Dentistry, School of Dentistry, University of Louisville, Louisville, KY. Currently in Private Practice, Grand Rapids, MI. Former Chief Resident, Department of Surgical/Hospital Dentistry, University of Louisville, Louisville, KY; Currently in Private Practice, Odessa, TX.

INDUCED ELEPHANT (LOXODONTA AFRICANA) TUSK REMOVAL

Abstract Elephant tusk removal usually requires costly surgical procedures that are time-consuming and present a significant risk to the animal when performed using general anesthesia. Such techniques require gauges, chisels, and forceps to remove the tusk. This article reports the simple removal of the tusk of an 18-yr-old African elephant (Loxodonta africana) without the use of surgical instruments and anesthesia. Rubber elastics were placed around a tusk, causing loss of alveolar bone with subsequent exfoliation of the tusk within 3 wk. The healing process was uneventful.