Biomedical subjects
Publications and source records attributed to M Kzadri.
The localisation of hemangiopericytoma in the parotid gland is rarely seen. The anatomo-clinic diagnosis is sometimes difficult, this tumor keeps a prognosis generally uncertain. The autors mean to study through one observation of the location of the hemangiopericytoma in the parotid gland, the modality of therapeutic, diagnosis and evolutionary of these tumors.
Secondary malignant tumors of the parotid gland are uncommon. They arise from primary tumors located in the head and neck or from distant primary tumors. The formers are dominated by squamous cell carcinomas and melanomas, the latters by kidney and bronchic cancers. Distinction between malignant primary tumors and metastasis of other primary tumors to the parotid gland is very important to appreciate, because the result of this will change therapeutic procedure and the evaluation of prognosis. The rarity of this metastatic site is illustrated by this series of 9 cases. These observations raised discussion about the site of the primary tumor, the localization in the parenchyma or in the lymph nodes, and the histological differential diagnosis.
The thyroïd well differentiated carcinoma could be originate of the osseous metastasis and/or pulmonary or others. Sometimes, the cancer of the thyroïd stay latent, discovered by the occasion of secondary osseous localisations. We bring back a personally observation of papillary cancer of the thyroïd discovered by the occasion of mandibular metastasis. Helping ourselves by literary datum, we will comment on essentially the diagnostic and therapeutic problems breeded by this kind of metastasis.
The authors report two cases of neck localisations of Castelman's disease. A cervical mass and an inflammatory syndrome are the main clinical and biological symptoms. The diagnosis of the disease is based on histology. Surgery provides a complete recovery.
Our study is devoted to 12 cases of NPF collated in the ENT department of the Ibn Sina University Hospital in Rabat from 1983 to 1990. All our patients were male, aged from 11 to 24, with late consultation for nasal obstruction and recurring epistaxis. The diagnosis suspected clinically was confirmed by angiography and a CT scan. Surgery of the tumour was the only therapy employed for all our patients. Surgery was preceded by embolization in 5 cases, which considerably reduced per-operative bleeding.
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Even if Wegener's disease is a rare condition, it interests many authors. Many recent reports had contributed to a best knowledge of the disease. Nevertheless, it persists a number of questions without yet an answer. In this paper, for example, we present a case of Wegener's granulomatosis, which mimics in the beginning the so-called "lethal midline granuloma", with progressive ulceration of the midfacial tissues and nose. It was highly suspected of being stewart's syndrome--Repeated biopsies gave no evidence of diagnosis. At least, the diagnosis was affirmed only by laparotomy. Pathological findings were typical of Wegener's granulomatosis with lesions interesting the sole digestive tract, lacking the characteristical chest and kidney involvement. The authors insist on the difficulties of the diagnosis, the etiologic considerations, and a better definition and classification of the affection.
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A seven year old boy was admitted with what appeared to be polyp of the external auditory canal, otitis media and Bell's palsy. It was subsequently diagnosed as rhabdomyosarcoma of the middle ear. This rare tumor must not be out of mind of practitioners, and especially pediatricians and E.N.T. specialists, when they have to examine a child with what looks like chronic otitis media, and aural polyp, or idiopathic facial paralysis. The diagnosis is histological and must be quickly made for early and aggressive multimodal antitumor therapy, which seems to be improving the hitherto gloomy prognosis for these highly lethal sarcoma.
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