Biomedical subjects
Publications and source records attributed to B M Al-Shihabi.
Anatomical variations of the facial nerve are of great concern to the surgeon performing ear surgery. An anomalous course of the facial canal in its vertical or horizontal segment has been described by several authors. This case is believed to represent the first case report of absence of the oval window, an inferiorly placed facial nerve and an abnormal stapes.
Thymic derivatives should be included in the differential diagnosis of cystic masses in the neck. A classification of thymic cysts is proposed: namely, true mixed or false. A thymic cyst may contain cholesterol crystals in the luminal fluid, cholesterol clefts, granulomas and lymphocytic follicles as well as Hassall corpuscles in the wall. Treatment consists of simple excision of the cyst and its tract. The thirty-fifth case of cervical thymic cyst in the English Literature is reported.
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