Head and Neck

Mirror book therapy for the treatment of idiopathic facial palsy

September 17, 2014     Jodi Maron Barth, PT; Gincy L. Stezar, PTA; Gabriela C. Acierno, SPT; Thomas J. Kim, MD; Michael J. Reilly, MD
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Abstract

We conducted a retrospective chart review to determine the effectiveness of treating idiopathic facial palsy with mirror book therapy in conjunction with facial physical rehabilitation. We compared outcomes in 15 patients who underwent mirror book therapy in addition to standard therapy with those of 10 patients who underwent standard rehabilitation therapy without the mirror book. Before and after treatment, patients in both groups were rated according to the Facial Grading System (FGS), the Facial Disability Index-Physical (FDIP), and the Facial Disability Index-Social (FDIS). Patients in the mirror therapy group had a mean increase of 24.9 in FGS score, 22.0 in FDIP score, and 25.0 in FDIS score, all of which represented statistically significant improvements over their pretreatment scores. Those who did not receive mirror book therapy had mean increases of 20.8, 19.0, 14.6, respectively; these, too, represented significant improvements over baseline, and thus there was no statistically significant difference in improvement between the two groups. Nevertheless, our results show that patients who used mirror book therapy in addition to standard facial rehabilitation therapy experienced significant improvements in the treatment of idiopathic facial palsy. While further studies are necessary to determine if it has a definitive, statistically significant advantage over standard therapy, we recommend adding this therapy to the rehabilitation program in view of its ease of use, low cost, and lack of side effects.

A rare case of ameloblastic carcinoma

September 17, 2014     Michael Yunaev, MBBS; Muzib Abdul-Razak, FRCS(Edin); Hedley Coleman, FFOP(RCPA); Yaroslav Mayorchak, MBBS; Ian Kalnins, FRACS
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Abstract

Ameloblastic carcinoma is a rare type of ameloblastoma that has received little mention in the literature. While a number of cases have been published over many years, no institution has been able to produce a substantial case series. Ameloblastic carcinoma originates in the embryonic tooth components. It is believed to be an aggressive tumor that can metastasize; once metastasis occurs, the prognosis tends to be poor. Ameloblastic carcinoma is primarily a surgical condition that is best treated with resection; there has been little indication that other modalities are helpful. We present the case of a 40-year-old woman who was found to have a mandibular lesion by a dentist. After surgical resection, the tumor was found to be an ameloblastic carcinoma. The patient recovered without complication, and she was recurrence-free 18 months postoperatively. We also briefly review the available literature on the natural history of and management options for this rare tumor.

Waldeyer ring lymphoma: A case series

September 17, 2014     Carren S.L. Teh, MBBS, MS(ORL-HNS); Pailoor Jayalakshmi, FRCPath; Sheldon Y.C. Chong, MBBS, MS(ORL-HNS)
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Abstract

We encountered a patient with a tongue base lymphoma that we initially diagnosed as a lingual tonsil in view of its benign appearance. We established the correct diagnosis of Waldeyer ring lymphoma by histology. This case led us to conduct a study of all cases of Waldeyer ring lymphoma that had been treated at our center during a 10-year period. We retrospectively examined our case records and found 35 such cases. From this group, we excluded 5 cases because of incomplete data. Thus our final study group was made up of 30 patients-14 males and 16 females, aged 14 to 76 years (mean: 51.6; median 54). The primary presenting signs and symptoms were dysphagia (n = 17 [57%]), a neck mass (n = 7 [23%]), nasal symptoms (n = 5 [17%]), and pain (n = 1 [3%]). Only 4 patients (13%) had B symptoms. A total of 20 patients (67%) presented with tonsillar involvement, 8 (27%) with nasopharyngeal involvement, 1 (3%) with tongue base lymphoma, and 1 with anterior tongue involvement. Most patients (77%) presented at an early stage. Histologically, 25 patients (83%) had high-grade diffuse large B-cell lymphoma, 4 (13%) had T-cell lymphoblastic lymphoma, and 1 (3%) had follicular lymphoma. Twenty-one patients (70%) were treated with chemotherapy, 4 (13%) received adjuvant chemotherapy with either radiotherapy or surgery, 3 (10%) resorted to other forms of treatment (primarily traditional remedies), and 2 (7%) declined treatment altogether. There were 14 patients (47%) alive at the end of the study period.

Keratocystic odontogenic tumor

September 17, 2014     Lester D.R. Thompson, MD
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Bite-wing or orthopantomograph images reveal a well-defined, unilocular radiolucency with a smooth border, showing minimal bone expansion and even cortication.

A study of mucosal melanoma of the oral cavity in India: A rare tumor

August 27, 2014     Pankaj Chaturvedi, MS; Sandeep Lerra, MS(ENT); Piyush Gupta, MS; Prathamesh S. Pai, MS(ENT), DNB; Devendra A. Chaukar, MS, DNB; Jai Prakash Agarwal, MD; Anil K. D'Cruz, MS, DNB
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Abstract

Malignant melanomas involving the mucosa are rare and aggressive lesions. Their rarity has made the formulation of staging and treatment protocols very difficult, as most of the available information comes from case reports and small case series. We conducted a retrospective study to analyze the behavior of melanomas of the oral mucosa in patients who were treated at Tata Memorial Hospital in Mumbai, a tertiary care referral center for malignancies and one of the largest cancer centers on the Indian subcontinent. During the 22-year period from January 1986 through December 2007, we found only 13 such cases, which had occurred in 8 men and 5 women, aged 26 to 70 years (mean: 37.5). All patients had been offered surgery with curative intent. Mucosal melanomas have exhibited a greater tendency for distant recurrence than for local treatment failure, which is why adjuvant radiation therapy has not been shown to confer any consistent benefit. In our study, only 3 of the 13 patients (23.1%) remained alive 2 years after diagnosis, despite aggressive treatment. Tumor staging, optimal treatment, and prognostic factors for oral mucosal melanoma are far from clear, and further research is needed. Despite the small number of patients in this study, it still represents one of the largest series of oral mucosal melanoma patients in India.

Paragangliomas of the head and neck: Imaging assessment

August 27, 2014     Alejandro Zuluaga, MD; Daniel Ocazionez, MD; Roy Riascos, MD; Enrique Palacios, MD; Carlos S. Restrepo, MD
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Abstract

Paragangliomas are uncommon tumors that arise from the parasympathetic neuroectodermal ganglionic cells and have been described in numerous anatomic locations, most commonly in the abdomen. Head and neck paragangliomas are classified into carotid body (most common), vagal, and jugulotympanic types. Computed tomography is the initial imaging modality of choice for the preoperative assessment of the extent of paragangliomas. Magnetic resonance imaging and selective angiography provide more detail of the surrounding tissues and vasculature. Surgical resection is the treatment of choice.

Transnasal endoscopic resection of a calcifying cystic odontogenic tumor

August 27, 2014     Daniel Schuster, MD; Joel Cure, MD; Bradford A. Woodworth, MD
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Abstract

Calcifying cystic odontogenic tumor (CCOT) is a rare histologic subtype of odontogenic tumor. Treatment requires complete enucleation. We report what we believe is the first case of CCOT to be removed via a transnasal endoscopic approach. A 16-year-old boy was referred to our department by his dentist for evaluation of an expansile mass of the left maxillary sinus. The dentist had noted an area of hyperlucency of the left palate during a routine examination. Computed tomography confirmed the presence of a large tumor. Complete resection of the tumor was achieved via a transnasal endoscopic surgical approach. Resection of odontogenic tumors is necessary because of their tendency to expand and produce a mass effect on surrounding structures. We believe resection via an entirely transnasal endoscopic approach is a valuable and important technique in the treatment of odontogenic tumors that leaves the patient with a more cosmetically acceptable postoperative appearance.

Leiomyosarcoma of the parapharyngeal space: A very rare entity

July 13, 2014     Haim Gavriel, MD; Eyal Yeheskeli, MD; Gratiana Hermann, MD; Ephraim Eviatar, MD
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Abstract

Leiomyosarcoma of the head and neck is very rare, as only about 100 cases have been reported; of these, only 3 cases have been previously reported in the parapharyngeal space. We report the fourth such case, and we review the features of this entity. The patient was an 84-year-old woman who presented to the emergency department for treatment of an 18-month history of right-sided headache, a 6-month history of right-sided hearing loss and nasal obstruction, and a 2-month history of dysphagia. Physical examination revealed a bulge in the right side of the soft palate and the right lateral nasopharyngeal wall and complete obstruction of the right eustachian tube. Indirect laryngoscopy detected a bulge in the right lateral hypopharyngeal wall. Otoscopy revealed otitis media with effusion in the right ear. Imaging demonstrated a space-occupying lesion in the right parapharyngeal space that extended from the base of the skull to the level of the hypopharynx. Biopsy and histology identified the mass as a leiomyosarcoma. Metastasis to the brain was discovered shortly thereafter, and the patient died 10 months later. The unusual presentation of head and neck leiomyosarcoma requires a high index of suspicion and appropriate diagnostic imaging. Surgical excision is the recommended treatment when feasible; chemoradiotherapy does not appear to affect disease progression.

Primary cervical thoracic duct cyst: A case report and review of the literature

July 13, 2014     Ameet Kumar, MS; T.S. Ramakrishnan, MS; Samaresh Sahu, MD, DNB
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Abstract

Thoracic duct cysts are uncommon entities that are usually found in the thoracic segments of the thoracic duct. The presence of a thoracic duct cyst in the cervical area has been rarely reported. Etiologically, these cysts can arise either as a primary growth or secondary to trauma, obstruction, or inflammation. This entity was first described in 1964, and only 33 cases have been previously reported in literature. Of these, 16 cases involved a primary cyst. We report a new case of a primary thoracic duct cyst, and we discuss its presentation, diagnosis, and management, with an emphasis on meticulous surgical technique. We also review the relevant literature.

Parathyroid adenoma

July 13, 2014     Lester D.R. Thompson, MD
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Most of these lesions are identified in glands within their usual anatomic location instead of in an ectopic or supernumerary site.

Papillary thyroid cancer in a gravid woman

July 13, 2014     Darrin V. Bann, PhD; Neerav Goyal, MD, MPH; David Goldenberg, MD, FACS
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All attempts should be made to preserve the recurrent laryngeal nerve with resection of all gross tumor, particularly in cases of known contralateral RLN dysfunction.

Petrosquamosal sinus discovered during mastoidectomy, and its radiologic appearance on temporal bone CT: Case report and brief review

July 13, 2014     Hyun Joon Shim, MD; Seong Jun Song, MD; Ki Woong Chung, MD; Sang Won Yoon, MD
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Abstract

We report the case of a 47-year-old woman who underwent a mastoidectomy. Preoperative computed tomography demonstrated an unusually distended bony canal that passed through the superolateral portion of the right petrous bone. Intraoperatively, we identified the anomaly as a petrosquamosal sinus (PSS). This unusually dilated venous channel had arisen from the adjacent sigmoid sinus. A PSS is an emissary vein of the posterior fossa that courses along the petrosquamosal junction, connecting the sigmoid or transverse sinus with the extracranial venous system. While it usually regresses during fetal life, a dilated PSS occasionally persists into adulthood. Its anatomic course may lead to problematic bleeding during mastoidectomy.

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