Hypopharyngeal reconstruction using pectoralis major myocutaneous flap and pre-vertebral fascia.
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Biomedical subjects
R Pellini
Publications and source records attributed to R Pellini.
[Palatine tonsillar metastasis from small cell carcinoma of the lung].
With regard to the rarity of metastatic tumor of the oropharyngeal region, we report a case of tonsillar metastases from the small cell carcinoma of the lung with controlateral cervical lymphadenopathy. The review of literature and the our clinic experience confirms the opportunity for an exclusively palliative treatment as then one no survivors in such events.
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Reconstruction of major orbital-maxillary defects with free latissimus dorsi myocutaneous flap.
Reconstruction following excision of tumors of the orbital-maxillary region represents a challenge to the head and neck surgeons. Microvascular techniques have significantly improved the possibilities of an adequate three-dimensional repair. Among the different available options, the latissimus dorsi myocutaneous flap (LDMF) has been considered, as it seems to fulfill the requirements for a functional obliterations of the orbital-maxillary cavity and to restore the facial contour. Two cases of large orbital-maxillary defects repaired with a LDMF are reported; in one of them the intraoral palatal competence and lining were achieved through a temporalis muscle flap. Technical remarks are presented and discussed as well as the indications and possibilities for more sophisticated reconstructions, aimed at a better cosmetic outcome.
Basal Cell Carcinoma↗
[Magnetic fields evoked by auditory stimuli: a normative study].
After outlining the fundamentals of biomagnetism and their possible clinical applications, the authors report the results of a normative study on auditory magnetic fields performed on 18 normally hearing subjects between the ages of 25 and 30. Having presented a thorough review of the literature, they then describe the recording technique employed, the dcSQUID biomagnetic system for signal detection, the shielded room, the characteristics of the stimulus. The auditory magnetic response is characterized by three main waves (P4Om, N100m, P200m) whose latency and amplitude values were calculated. Moreover, in order to localize dipolar activity, certain parameters, such as P and T, were taken into consideration. Localizations were made using a spherical volume conductor or with MRI, which was in any case employed in all the subjects. The waves, especially the N100m recorded contralaterally to the stimulus, showed a reduced latency and an increased amplitude when compared to those recorded ipsilaterally. Moreover, a systematic posterior shift of the N100m source into the left hemisphere with respect to the right one was detected. In conclusion, the authors emphasize the need to study electric as well as magnetic responses in order to better understand auditory cortical functions.
Acoustic Stimulation↗
[The anastomotic loop between recurrent laryngeal nerves: an anatomic reality].
The authors present the result of an anatomical study carried out on human laryngeal nerves. During the study, stressed not only were classic anatomical data relating to the morphology of the nervous system of the larynx, evidentiated and photographically documented, but the constant presence of an anastomotic nervous loop between the two recurrent nerves was revealed as well. This loop has been mentioned only in the most recent specialized Literature. Analysis was carried out on thirteen fresh anatomical models, taken from 13 corpses (7 men and 6 women aged from 48 to 84) during autopsy. The first phase dissection carefully eliminated those tissues not directly related to the nervous formations which were, however, subsequently analysed in detail. The superior laryngeal nerves, the recurrent nerves and the collateral ramification were then totally isolated. The anastomotic loop in question links the two recurrent nerves at the crossing of the oesophagus-tracheal virtual space. It appears to originate on the right as well as on the left side, respectively at the cervicodiastinal junction level and in the thorax. The anastomosis was isolated in each specimen. Its constant presence and its morphology should be proof enough of its being an anatomical and surgical reality. Only in one case did the loop pass in front of trachea instead of crossing the oesophagus-tracheal space, while maintaining, however, the same inclination and morphology. A future, wider study should focus on the understanding of the loop's function, as well as of its possible utilization in surgical therapy of laryngeal paralysis.(ABSTRACT TRUNCATED AT 250 WORDS)
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