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Biomedical subjects

D Di Lisi

Publications and source records attributed to D Di Lisi.

7 recordsLinked to original sources

Nasal cheek flap in ethmoidal and skull base tumour surgery: results and complications.

Surgery is the treatment of choice for the management of malignant nasal/ethmoidal tumours, followed, in most cases, by external radiotherapy. Two main procedures are adopted to resect these tumours depending upon stage and extension: ethmoidectomy and medial maxillectomy, via a transfacial approach, or craniofacial resection with a combined transcranial and transfacial approach. The nasal cheek flap technique allows complete nasal swing thus obtaining a wide access to both the nasal fossae and the ethmoidal labyrinth. Furthermore, this approach can also be used in the management of small intracranial tumours extended through the skull base to the nasal cavity, paranasal sinuses, upper and middle clivus. We have used the nasal cheek flap since 1992 with good aesthetic and functional results. Aim of the present study was to analyse personal experience, focusing on complications, aesthetic results and self-evaluation expressed by the patients.

Adult↗

Dysmorphism of the middle ear: case report.

Although there are numerous publications in the literature describing the wide range of diagnosis, classifications and treatment of malformations of the hearing apparatus, even more variations can be found in clinical practice. Indeed, each individual case is unique as far as concerns pathogenesis, clinical course and treatment. The case reported herein describes a 12-year-old boy affected by cranio-facial dysmorphism and monolateral conductive hearing loss in the right ear: followed from radiological diagnosis--carried out to study a malformation of the ear pinna--to surgical treatment.

Audiometry↗

Oropharyngeal carcinoma during pregnancy: clinical and psycho-oncological aspects.

Cancer is uncommon in pregnancy, occurring in approximately one out of 1000 pregnancies, although it has been noted that one out of 118 women diagnosed with cancer is pregnant at the time of diagnosis. In the last 10 years, two oropharyngeal carcinomas, (1 squamous cell carcinoma and 1 adenoid cystic carcinoma) which developed during pregnancy, have been diagnosed and treated in our Department. No cases of oropharyngeal cancer, during pregnancy, have so far been reported in the literature with the exception of one case of oral cancer. This report focuses not only on the clinical history but also the management of oropharyngeal carcinoma during pregnancy, in terms of choice and timing of treatment. A scrupulous psycho-oncological analysis was also carried out in order to throw further light on psychological repercussions of head and neck cancer in the pregnant woman.

Adult↗

[Endoscopic follow-up of translaryngeal Fantoni tracheostomy].

Dilatational tracheotomy techniques are widely used in the long-term management of the respiratory tract in patients in intensive care units (ICU). The translaryngeal tracheotomy technique (TLT) was first described by Fantoni in 1993 and rapidly asserted itself, especially in Europe. This technique basically differs from the other percutaneous techniques in that it involves a progressive, retrograde, dilatation of the trachea in a single session conducted from inside the trachea, working outward, simultaneously exerting a counter-pressure on the pre-tracheal soft tissues with the fingers. The present study involves an endoscopy follow-up of 130 patients who had undergone TLT at the Intensive Care Unit of our Hospital between November 2000 and May 2001. The pre-operative oro-tracheal intubation time varied from 1 to 42 days. All patients filled out a brief questionnaire containing validated questions on their general health and quality of life with particular attention focused on respiratory conditions. Then, after receiving informed consent, the patients underwent laryngo-tracheoscopy with local anesthetic using a flexible tracheobronchoscope. All tests were recorded and viewed later by two operators in order to identify and divide the patients according to the level of execution of the tracheotomy and the presence of sequelae. The results obtained have shown that, like other percutaneous tracheotomy techniques, TLT provides some benefits including the fact that procedure can be performed at the bedside in a short time, with few post-operative complications, simpler nursing and fewer sequelae in time. Analysis of data concerning time of tracheostomy execution, tracheal level of stomia and nursing times has revealed three factors that determine severe sequelae: delay in tracheostomy execution, high level of execution with cricoid involvement and onset of problems during first tracheal cannula change.

Adolescent↗

Is pressure dressing necessary after ear surgery?

Compressive bandages carry intrinsic risks and complications. The purpose of this study was to assess whether compressive head bandages are necessary after ear surgery to prevent complications such as hematoma or wound infection. A prospective, randomized, controlled study was conducted from August 1, 1993, to June 1, 1999. We randomly assigned 420 consecutive middle ear or mastoid operations to either a pressure bandage group or to a no-pressure bandage group. A careful follow-up was planned, and complications were recorded. In the pressure bandage group, 3 patients had bruising over the pinna and 70 patients had minor skin erythema when the dressing was removed. No patient had bruising or erythema in the no-pressure bandage group. No patient had hematoma, wound infection, or any other wound complication in either group. As a result of this study, we have decided to abandon the use of compression bandages after uncomplicated ear surgery.

Adolescent↗

[Reconstructive strategies in head and neck cancer: case history review from 1992 to 1997 (154 cases)].

Technological progress in reconstructive surgery, in particular the use of pedunculated or free flaps, has given new impetus to head and neck dissection. This stems from the fact that such techniques provide greater oncological radicality, reduce the number of severe post-operative complications and give better quality of life. The present study examines 154 patients suffering from upper aero-digestive tract neoplasms (131 males and 23 females; age range 23-82 years) who had undergone radical surgery. Reconstruction was performed with flaps in 154 cases: 119 pedunculated flaps (102 large myocutaneous pectoral and 17 temporal muscle flaps) and 35 free flaps (18 radial osteofasciocutaneous, 13 radial fasciocutaneous and 4 omentum flaps). Analysis of the individual districts showed that the flap of choice was the temporal muscle flap when surgery involved the soft parts of the orbital-maxilly-zigomatic area and the rhinopharynx. This is because it is highly moldable and reliable. In surgery of the oral cavity and oropharynx the grand pectoral flap is most frequently used as it provides enough tissue for the reconstruction, adequately protects the vascular-nerve axis in the neck and it is quick and easy. However, the functional results are not the best and there is some alteration in the initial phases of deglutition. To reduce these problems, the authors encourage the use of free flaps which provide good results from both the functional and esthetic points of view. They are, however, more difficult to perform and this leads the authors to conclude that they should only be selected for certain patients (long life expectancy, female, young, etc.). In the center where the authors work the flap of choice is the radial fasciocutaneous or osteofasciocutaneous flap. In surgery of the hypopharynx and larynx reconstruction is normally performed with a grand pectoral myocutaneous flap, sculpted as needed for the individual case. In this region, reconstruction proves functionally satisfactory even when there is a minimum of residual mucosa. Finally, for reconstructive surgery of the apex, the omentum free flap was used as it is malleable and can be used to reconstruct broad areas of dissection. The esthetic and functional results, the low incidence of complications and the greater quality of life suggest that this type of flap be extended to the surgery of locally advanced tumors in combination with an accurate, valid reconstructive solution.

Adult↗

[Nasal hyperreactivity and neuropeptides].

The Authors define nasal-sinusal hyperreactivity and closely investigate the influence it has on the relationship existing among the Central Nervous System, Peripheric Nervous System, Immunitary System and Nasal Mucosa. Particular reference is made to neuropeptides that seem to be true "bridge" substances between the Nervous System and some components of the Immunitary System. Importance of the P-Substance is emphasized.

Humans↗