Publications by authors named "Hagen B Klieb"

Worth syndrome is a rare genetic bone disorder that often presents with cortical thickening of the mandible and an increase in mandibular width. The authors report the preoperative considerations in a young female with Worth syndrome, operative planning, and successful mandibular reduction using cutting guides.

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Proper management of an oral mucosal lesion begins with diagnosis, and the gold standard for diagnosing disease, oral or otherwise, is tissue biopsy. The oral environment, which is moist and confined, poses challenges for collecting a viable tissue sample that will be suitable for diagnosis. These challenges are further compounded by the myriad of biopsy techniques and devices now available.

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Dermatologic manifestations from therapy with imatinib are well known and frequently include hypopigmentation, and less commonly, hyperpigmentation. There have been few reports of oral hyperpigmentation. We present a case of palatal melanosis related to imatinib therapy for chronic myelogenous leukemia.

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Oral pigmented lesions are uncommon and congenital melanocytic nevi are especially rare. We report a case of a patient with multiple congenital melanocytic nevi including a palatal lesion. This is reported to add to the scant literature that exists on this subject.

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The dentist's role following the death of a patient in his/her practice has received little attention in the literature. This study determined the prevalence of death within a dental practice. It also investigated methods by which dentists supported grieving survivors, and how frequently dentists received formal bereavement education in dental school.

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Trigeminal neuralgia is a recognized complication in patients with intracranial tumours affecting the trigeminal nerve. This case report describes an epidermoid tumour at the cerebellopontine angle in a middle-aged man with otherwise classical unilateral trigeminal neuralgia. The case highlights the difficulties of diagnosis and the importance of a multidisciplinary approach when trigeminal neuralgia occurs concurrently with a brain tumour.

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Context: Oral verrucous carcinoma (OVC) and oral verrucous hyperplasia (OVH) may be clinically and histologically similar. Problems separating these lesions are compounded by poorly oriented tissue sections and biopsies failing to demonstrate lesional margins.

Objective: To distinguish OVC from OVH utilizing an immunohistochemical panel (p53, matrix metalloproteinase-1, E-cadherin, Ki67) shown to be useful in differentiating pseudoepitheliomatous hyperplasia from oral squamous cell carcinoma of the head and neck.

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Oncocytic lipoadenomas of salivary gland are extremely rare tumors with only two previously reported cases. In this paper, we describe an additional example of oncocytic lipoadenoma showing sebaceous differentiation, a hitherto unreported occurrence. The tumor was encapsulated and measured 3 x 2.

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