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Biomedical subjects

Robert P Zitsch

Publications and source records attributed to Robert P Zitsch.

6 recordsLinked to original sources

Bilateral canalicular adenoma of the parotid gland.

Canalicular adenoma is a rare benign salivary gland tumor that occurs almost exclusively in the upper lip. Rarely, this benign tumor may occur multifocally in the oral cavity. We report a case of canalicular adenoma in bilateral parotid glands, discuss histological characteristics, and review this tumor.

Adenoma↗

Parathyroid hormone-related peptide as a cause of hypercalcemia in squamous cell carcinoma of the head and neck: a case presentation and subject review.

BACKGROUND: Serum levels of parathyroid hormone-related peptide (PTHrP) can be elevated with malignancy and cause hypercalcemia, which has been associated with a poor prognosis. METHODS: We present a case of supraglottic squamous cell carcinoma with elevated serum PTHrP and hypercalcemia. The patient was acutely managed with intravenous fluids, furosemide, and zoledronic acid and then underwent a total laryngectomy and modified radical neck dissection. RESULTS.: The patient remains disease free and normocalcemic. CONCLUSION: Curative treatment for patients with head and neck cancer should not be withheld solely on the basis of humoral hypecalcemia of malignancy.

Aged↗

Multifocal adult rhabdomyoma: a case report and literature review.

Adult extracardiac rhabdomyoma is an uncommon primary tumor of striated muscle origin that almost exclusively presents in the head and neck region. The occurrence of multifocality is a rare manifestation of this unusual lesion. In this study, we report a rare case of multifocal adult extracardiac rhabdomyoma in a patient presenting with an asymptomatic neck mass and provide a brief review of the literature on this entity.

Aged↗

Polymorphous low-grade adenocarcinoma of the tonsil: report of a case and review of the literature.

Polymorphous low-grade adenocarcinoma (PLGA) is a relatively common malignancy of the oral cavity, representing 7% to 11% of all intraoral minor salivary gland tumors, and 19% to 26% of those that are malignant. However, it is a rare finding in the oropharynx, with only 6 cases reported in the medical literature. The clinical features of a case of PLGA of the tonsillar fossa in a 64-year-old gentleman are presented, only the second such case reported in the medical literature. A review and discussion of the literature pertaining to PLGA of the oral cavity and the oropharynx is provided. (Am J Otolaryngol 2002;23:297-299.

Adenocarcinoma↗