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Biomedical subjects

J M Basset

Publications and source records attributed to J M Basset.

At least 37 records · Page 2Linked to original sources

[Severe forms of cholesteatomatous chronic otitis (author's transl)].

Eighty further case-reports of patients, hospitalized for particularly severe forms of cholesteatomatous chronic otitis since 1977, are analyzed. -Cholesteatomas were associated with spontaneous atticotomy and atrial invasion in 37 cases, while in 8 patients the cholesteatoma was revealed by the presence of premalleal and anterior subligamental perforations. -New features were observed in 7 cases of cholesteatomatous and osteomatous chronic otitis. -Giant cholesteatoma was present in 12 cases, and unilateral tumors in 6 patients. -Four rarer types of lesion, obviously of a serious nature, were observed, including: -polypoid and hemorrhagic tumors (6 cases), -persistently highly fetid cholesteatomas (6 cases), and those that appeared to be "under pressure" (13 cases). -Finally, 7 cases were unusual and disturbing, demonstrating early extensive osteitic recurrence less than 6 months after initial excision. Widespread evidement is necessary for the majority of these cases.

Adolescent↗

[Spontaneous meningeal fistula of the middle ear detected during insertion of a trans-tympanic aerator (author's transl)].

A remarkable case of spontaneous meningeal fistula of the middle ear is described, the lesion being detected during insertion of a trans-tympanic aerator in an 80-year-old woman. The totally exceptional nature of this case is emphasized, and the therapeutic problems that it gave rise to exposed. Instead of the suprapetrous approach, theoretically more logical, the less dangerous inferior approach was employed, with a subsequent successful result. Biochemical tests should be conducted in all cases of serous otitis, where there is secretion of an abundant amount of clear fluid of atypical appearance.

Aged↗

[Trans-tympanic aeration in mastoiditis. Study of 42 cases (author's transl)].

The authors review the diagnostic protocol of mastoiditis based upon 382 cases with 1.3% errors (histological confirmation). Up to the present time, mastoidectomy was the only treatment which could be envisaged. In a new series of 90 cases, 48 constituted the control group and 42 the study group, trans-tympanic drains were inserted routinely in the latter. It was thus possible to avoid mastoidectomy in 62% of cases in the study group (evaluation based upon the number of ears). The period of postoperative observation was on average 8 months. No complications related to the drain were seen. Up to the present time, there exist no precise criteria which may be used to decide between insertion of a drain or mastoidectomy from the outset. Insertion of a drain must thus be considered as a therapeutic test, justified by its harmlessness and simplicity.

Child↗

[Facial paralysis during progressive chronic otitis. Reflections apropos of 32 cases].

The authors report their experience of 32 cases of facial paralysis occurring during progressive chronic otitis. Twenty were pre-operative. The conclusions which may be drawn are as follows: 1) It occurs in general in cases of severe chronic otitis with large destructive cholesteatomatous and osteitic lesions. 2) Surgery is often difficult, long full of unexpected findings and risks. 3) The development of facial paralysis in a case of progressive chronic otitis is an indication for immediate surgery, on the same basis as a fistula of the H.S.C.C., which is, in fact, oftan present in association. 4) The lesions encountered are much more extensive at the time of secondary (11) rather than at primary surgery (9). 5) The extent of the lesions (13 cases of fistula or laybrinthine destruction) and auditory impairment (16 cophoses or sub-cophoses) are such that tympanoplasty is useless. The authors report their long term results: 13 cases of complete recovery, 4 nil, 3 partial (2 as a result of a superficial cervical plexus graft). They raise the problem of the management when a markedly contused nerve is discovered: simple liberation with incision of its sheath or immediate graft? The other twelve were postoperative. Five were cases operated upon by the autor. There was 100% recovery in all cases, but one patient, in whom the nerve followed an atypical course, required decompression surgery. In the other seven, the autors performed 3 decompressions followed by an excellent result, apart from in one case in which the nerve was markedly contused. In 2 cases a superficial cervical plexus graft and a XII-VII anastomosis proved necessary.

Adolescent↗

[An unusual and dangerous clinical form: chronic osteomatous otitis].

Some chronic otites result in local or diffuse attico-antral osseous outgrowths. These may complicate all sorts of chronic otites: cholesteatomatous or otherwise, suppurative or merely inflammatory, with the tympanum open or closed. They should be distinguisged from tympanosclerosis and condensation or osseous eburnation lesions. They seem to result from post-inflammatory irritation causing metaplastic bone growth or from an exostosis. The key to their diagnosis lies in radio-tomography. From the surgical point of view, diffuse attico-antral forms are particularly dangerous and deadly. It is essential that the kopho-surgeon should be aware of their existence which, as far as we know, does not seem to have been noted so far.

Adult↗