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Biomedical subjects

G Lavorgna

Publications and source records attributed to G Lavorgna.

At least 19 recordsLinked to original sources
PubMed1992

[A case of osteoma of the mandible].

Osteoma is a benign bone tumour with a very slow growth. In the maxillofacial district the paranasal sinuses and the mandible are more frequently involved. This type of tumour is clinically asymptomatic and the signs of its presence are due to the fact that its expansive and centrifugal growth changes the face features. The surgical operation has a double aim: to solve the aesthetic problem and to prevent complications. In fact, obstructions and compressions ab estrinseco may compromise the function of the nearest organs. The aim of our work has been to show a clinical case which is interesting from a clinical, diagnostic and therapeutic point of view.

Adult↗
PubMed1992

[The cancerous recurrence of a pleomorphic adenoma of the parotid. Comments on a case].

After taking the clinical case examined as a starting point and supporting the data obtained with a literature analysis of the cancerous relapse of a parotid pleomorphic adenoma, the Authors suggested a suitable surgical operation (total parotidectomy with conservation of the facial nerve) in the treatment of parotid pleomorphic adenoma. Doing so, it is possible to avoid a relapse of neoplasm and a possible transformation into malignancy. Furthermore it might prevent the formation of parotid carcinoma.

Adenocarcinoma↗
PubMed1992

[Cervicofacial actinomycosis. A case study].

A case of cervicofacial actinomycosis, sited in the central hyoid region, is reported. The Authors have emphasized the difficulties of the diagnosis. It's very important hat the clinical diagnosis of actinomycotic infection be confirmed by a positive culture test. Actinomycosis can be suspected if multiple recurrent pustular swellings are present, associated with any trauma or teeth extractions.

Actinomycosis, Cervicofacial↗
PubMed1992

[The use of kinesiography and electromyography in assessing the outcome of a fracture of the mandibular condyles].

The purpose of this work is to consider the sensibility, reliability, and utility of the computerized electromyography and kinesiography in the diagnosis and study of the functional results in patients affected of single or bilateral previous fractures of the condyles. The Authors analyse three clinical parameters and compare them with thirteen parameters gathered from the computerized data and the kinesiogram and electromyogram analysis of a selected sample of thirteen patients with previous fractures of the condyles. This comparison has shown the greatest reliability and sensibility (a larger quantity of instrumental data as regards the clinical checkup and absence of false negative diagnosis) of these techniques with regard to ordinary clinical checkup. Furthermore the features of objectivity, non invasion and easy repetition, indicate that computerized electromyography and kinesiography play an important role in the diagnosis and study of the functional results of fractures of the condyles and in the follow-up examination.

Diagnosis, Computer-Assisted↗
PubMed1991

FTZ-F1, a steroid hormone receptor-like protein implicated in the activation of fushi tarazu.

The Drosophila homeobox segmentation gene fushi tarazu (ftz) is expressed in a seven-stripe pattern during early embryogenesis. This characteristic pattern is largely specified by the zebra element located immediately upstream of the ftz transcriptional start site. The FTZ-F1 protein, one of multiple DNA binding factors that interacts with the zebra element, is implicated in the activation of ftz transcription, especially in stripes 1, 2, 3, and 6. An FTZ-F1 complementary DNA has been cloned by recognition site screening of a Drosophila expression library. The identity of the FTZ-F1 complementary DNA clone was confirmed by immunological cross-reaction with antibodies to FTZ-F1 and by sequence analysis of peptides from purified FTZ-F1 protein. The predicted amino acid sequence of FTZ-F1 revealed that the protein is a member of the nuclear hormone receptor superfamily. This finding raises the possibility that a hormonal ligand affects the expression of a homeobox segmentation gene early in embryonic development.

Amino Acid Sequence↗
PubMedDate not supplied

[A case of osteochondroma of the mandibular condyle].

A case of mandibular condyle osteochondroma is reported, special attention being paid to radiographic aspects and to the functional changes brought on by this neoplasia. Surgical and meta-operative treatment to correct residual latero-deviation and occlusal relations are described.

Adult↗
PubMedDate not supplied

[Synthetic materials in reconstructive maxillofacial surgery].

Surgical or traumatic losses of substances should preferably be made good by autografts, though "alloplastic implants" are a sound alternative. An account is given of the chemical and physical properties of intrinsic and manmade synthetic polymers. The best polymers for the preparation of endoprostheses are indicated, and reference is made to their more common indications in maxillofacial reconstructive surgery.

Humans↗