Cases reported "Parotid Neoplasms"

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1/14. Fine-needle aspiration cytological features of dermoid cyst of the parotid gland: a report of two cases.

    We describe the cytological features of dermoid cyst of the parotid gland the value of preoperative diagnosis by fine-needle aspiration (FNA) cytological evaluation. Both patients had painless parotid masses. On physical examination, a freely movable parotid mass was found in each case. CT scan showed a cystic mass in the parotid gland in each patient. FNA in both cases showed anucleated and nucleated squamous epithelium and keratin debris. The clinical features and cytological findings in each case were interpreted as suggestive of a dermoid cyst. Histological examination of surgical specimens confirmed the presence of a dermoid cyst of the parotid gland in each case. FNA is a reliable method for preoperative diagnosis and permits selection of an appropriate form of surgical procedure for dermoid cyst of the parotid gland.
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2/14. angiomyolipoma of the parotid gland: a case report.

    angiomyolipoma is a hamartomatous process that most frequently occurs as a single lesion or multiple foci in the kidneys of patients affected by tuberous sclerosis. angiomyolipoma can also arise in extrarenal sites, among which the liver is the most frequently recorded. Only rare cases of angiomyolipoma located in the head and neck region (ear and oral and nasal cavity) have been described. The purpose of the present article is to report a case of angiomyolipoma of the parotid gland. A 68-year-old woman appeared for treatment with a slow-growing nodule located in her right parotid gland. Ultrasound examination revealed a heterogeneous nodule with well-defined margins. The nodule was surgically removed by total parotidectomy and showed the characteristic appearance of angiomyolipoma, with an admixture of fat smooth muscle cells, and tortuous, thick-walled blood vessels. Careful physical examination of the patient failed to reveal features of tuberous sclerosis. angiomyolipoma should be considered in the differential diagnosis of mesenchymal lesions involving the salivary gland.
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3/14. Not all facial paralysis is Bell's palsy: a case report.

    Bell's palsy or idiopathic facial paralysis is the most common cause of unilateral facial paralysis. This case report describes a patient referred for physical therapy evaluation and treatment with a diagnosis of Bell's palsy. On initial presentation in physical therapy the patient had unilateral facial paralysis, ipsilateral regional facial pain and numbness, and a history of a gradual, progressive onset of symptoms. The process of evaluating this patient in physical therapy, as well as the recognition of signs and symptoms typical and atypical of Bell's palsy, are described. This report emphasizes the importance of early recognition of the signs and symptoms inconsistent with a diagnosis of Bell's palsy, and indications for prompt, appropriate referral for additional diagnostic services.
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4/14. Mucoepidermoid carcinoma arising in Warthin's tumor of the parotid gland.

    Malignant transformation of Warthin's tumor is extremely rare, although it is the second most common benign tumor of the parotid gland. We describe our experience of mucoepidermoid carcinoma arising in Warthin's tumor of the parotid gland in a 64-year-old man. He had a swelling in the left parotid-masseteric region. The removed tumor was well encapsulated and histopathologically comprised Warthin's tumor and low-grade mucoepidermoid carcinoma. The mucoepidermoid carcinoma infiltrated lymphoid stroma of the Warthin's tumor, but capsular invasion is not found. Considering the clinical course and physical examination, the lesion was diagnosed as mucoepidermoid carcinoma arising in Warthin's tumor because its features filled the criteria of malignant transformation of Warthin's tumor. There has been no recurrence or distant metastasis for 19 months. Histological change from Warthin's tumor to mucoepidermoid carcinoma may be implicated in squamous or goblet cell metaplasia of epithelial cells. It is considered that the neoplastic cells of Warthin's tumor acquire malignant genotypes simultaneously with this dual differentiation.
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5/14. Oral and maxillofacial surgery in patients with chronic orofacial pain.

    PURPOSE: In this investigation, we evaluated a population of patients with chronic orofacial pain who sought treatment at a pain center in an academic institution. These patients were evaluated with respect to 1) the frequency and types of previous oral and maxillofacial surgery procedures, 2) the frequency of previous significant misdiagnoses, and 3) the number of patients who subsequently required surgical treatment as recommended by an interdisciplinary orofacial pain team. The major goal of this investigation was to determine the role of oral and maxillofacial surgery in patients with chronic orofacial pain. patients and methods: The study population included patients seen at the Center for Oral, Facial and head Pain at new york Presbyterian Hospital from January 1999 through April 2001. (120 patients; female-to-male ratio, 3:1; mean age, 49 years; average pain duration, 81 months; average number of previous specialists, 6). The patient population was evaluated by an interdisciplinary orofacial pain team and the following characteristics of this population were profiled: 1) the frequency and types of previous surgical procedures, 2) diagnoses, 3) the frequency of previous misdiagnoses, and 4) treatment recommendations made by the center team. RESULTS: There was a history of previous oral and maxillofacial surgical procedures in 38 of 120 patients (32%). Procedures performed before our evaluation included endodontics (30%), extractions (27%), apicoectomies (12%), temporomandibular joint (TMJ) surgery (6%), neurolysis (5%), orthognathic surgery (3%), and debridement of bone cavities (2%). Surgical intervention clearly exacerbated pain in 21 of 38 patients (55%) who had undergone surgery. Diagnoses included myofascial pain (50%), atypical facial neuralgia (40%), depression (30%), TMJ synovitis (14%), TMJ osteoarthritis (12%), trigeminal neuralgia (10%), and TMJ fibrosis (2%). Treatment recommendations included medications (91%), physical therapy (36%), psychiatric management (30%), trigger injections (15%), oral appliances (13%), biofeedback (13%), acupuncture (8%), surgery (4%), and Botox injections (1%) (Allergan Inc, Irvine, CA). Gross misdiagnosis leading to serious sequelae, with delay of necessary treatment, occurred in 6 of 120 patients (5%). CONCLUSIONS: Misdiagnosis and multiple failed treatments were common in these patients with chronic orofacial pain. These patients often have multiple diagnoses, requiring management by multiple disciplines. Surgery, when indicated, must be based on a specific diagnosis that is amenable to surgical therapy. However, surgical treatment was rarely indicated as a treatment for pain relief in these patients with chronic orofacial pain, and it exacerbated and perpetuated pain symptoms in some of them.
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6/14. pilomatrixoma: a diagnostic pitfall in fine-needle aspiration biopsies. A review from a small county hospital.

    A 10-year-old Hispanic girl presented with a 3-cm mass over her right parotid region. A fine-needle aspiration (FNA) was performed and the preliminary and final diagnoses were "suspicious for carcinoma, possible mucoepidermoid carcinoma." A subsequent computed tomography demonstrated an extra-parotid lesion attached to the skin. The FNA smears were reviewed and the diagnosis of a pilomatrixoma (PMT) was reached. The lesion was excised and the diagnosis of benign PMT confirmed. Pilomatrixomas are uncommon skin adnexal tumors most commonly found in the head and neck area of young adults and children. In 10 years there were 16 PMTs among 60,280 surgical pathology specimens in the pathology files of our 300-bed general county hospital. pilomatrixoma is recognized as a diagnostic pitfall not only clinically but also on FNA cytology. On the physical examination, the bluish skin discoloration over the lesion so typical of PMT was overlooked. On FNA, the basaloid cells of PMT were mistaken for intermediate cells of mucoepidermoid carcinoma. The presence of anucleated squames was not properly recognized. These are usually absent in mucoepidermoid carcinoma and represent a hallmark of PMT. This case illustrates well the risk of misdiagnosing a pre-auricular PMT as a malignant tumor of the parotid gland.
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7/14. Metastatic basal cell carcinoma: a case report and literature review. How accurate is our incidence data?

    A 55-year-old man presented to skin Cancer Surgery Center of Sacramento in 1995 for Mohs micrographic surgery of a 1.5-cm nodular basal cell carcinoma located on the right superior antihelix and scaphoid fossa. The tumor was excised by Mohs micrographic surgery. A recurrent basal cell carcinoma developed at the same site 5 years later and was treated also by Mohs micrographic surgery. One year later (approximately 6 years after the diagnosis of the initial basal cell carcinoma), a right parotid mass was noted on routine physical exam. CT scan and fine needle aspiration of the mass revealed metastatic basal cell carcinoma. The patient underwent excision of the parotid mass followed by radiation therapy. He has done well for the past 2 years since the diagnosis of his metastatic lesion. Basal cell carcinoma is the most common malignancy in the world. The metastatic potential of this tumor has been a cause for concern to many of our patients. We report a case of basal cell carcinoma metastatic to the parotid gland and critically review the incidence data reported in the literature. We recommended the collection of more current and accurate incidence data for basal cell carcinoma and metastatic basal cell carcinoma.
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8/14. A type II first branchial cleft cyst masquerading as an infected parotid Warthin's tumor.

    The diagnosis of a parotid mass usually depends on thorough history taking and physical examination. Diagnostic modalities, including ultrasonographic examinations, computed tomography and magnetic resonance images, may also provide substantial information but their accuracy for diagnosis is sometimes questionable, especially in differentiating some rare neoplasms. First branchial cleft cysts (FBCCs) are rare causes of parotid swelling and comprise less than 1% of all branchial anomalies. They are frequently misdiagnosed due to their rarity and unfamiliar clinical signs and symptoms. We present a case of type II FBCC masquerading as an infected parotid Warthin's tumor. We also review the clinical signs and symptoms of FBCCs in order to remind clinicians that this rare branchial anomaly can mimic an infected Warthin's tumor and may be seated in the deep lobe of the parotid gland. By making an accurate pre-operative diagnosis of type II FBCC, we can minimize surgical morbidity and avoid incomplete resection and possible recurrence.
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9/14. Otolaryngologic manifestations of child abuse.

    The number of reported cases of child abuse has increased dramatically over the past several years. Maltreatment of children can take several forms including neglect, sexual abuse, physical assault and psychological trauma. Five cases of child abuse presenting initially to the otolaryngology Service are outlined: bilateral auricular hematomas, recurrent tympanic membrane lacerations, a pharyngeal laceration with retropharyngeal abscess and medical neglect of a patient with a parotid malignancy and one with laryngeal papillomatosis. Characteristic presentations and risk factors in family background are discussed toward the goal of early recognition and appropriate intervention.
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10/14. facial nerve paralysis with benign parotid masses.

    facial paralysis in the presence of a parotid mass has been associated classically with a presumed diagnosis of malignancy. However, isolated case reports have documented the occurrence of paresis or paralysis secondary to pathologically benign, nonneurogenic parotid lesions. These previous cases have been reviewed and three additional cases are described. Comparisons are made on age, sex, symptoms, physical findings, pathologic findings, and prognosis. Involvement of the seventh nerve may be explained on the basis of compression, especially in association with local inflammation. Although facial paralysis still should be considered indicative of a malignancy, it also may be caused by benign masses, particularly those associated with rapid enlargement and/or infection.
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