PubMed · 204424
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M Prívara, E Cerný, J Karásek. 1977. [Glomangiomas].. https://pubmed.ncbi.nlm.nih.gov/204424/
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Solitary myofibroma is a recently described benign neoplasm of the skin or superficial soft tissue and it represents the adult counterpart of infantile myofibromatosis. This new clinicopathological entity is being recognized increasingly. A case of solitary myofibroma occurring in the pinna of a 50-year-old woman is presented. Such a lesion occurring in the pinna of an adult has not been reported in the literature.
Teratomas are germ cell tumours usually found in the young and are characteristically composed of tissue foreign to the place where they arise. Two teratomas of the middle ear were first described in 1866 and since then, and to the best of our knowledge, 19 additional cases have been reported in the literature under different terms such as hairy congenital polyps, epidermoid cysts, dermoid cysts, hamartoma, cutaneous teratoma and teratomas. The difficulty in classifying germ cell tumours may explain the different terminologies encountered in the literature. The authors describe a case of teratoma of the eustachian tube presenting as a mass in the middle and external ear of a 10-week-old girl. Using this case, a review of the literature is performed in light of the new classification of germ cell tumours proposed by the World Health Organization (WHO). It is of note that most of the teratomas that present in the middle ear arise from, or involve, the eustachian tube.
Haemangiopericytoma is a rare vascular tumour, particularly in the head and neck region. We described the first case of haemangiopericytoma arising from the middle ear in 1995. The present case is the second example of a primary middle-ear haemangiopericytoma with benign histological features. Clinical photography, computed tomography (CT) and magnetic resonance imaging (MRI) scans and histological photographs depict the findings.