• Korean Journal of Head & Neck Oncology
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• v.30 no.2
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• pp.87-89
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• 2014

Epidermal cysts in mouth floor are rare. There could be confusions in diagnosis due to location and low incidence. For diagnosis, imaging study and cytology are necessary. The treatment of choice is complete excision intraorally or externally and the recurrence is rare. Some authors prefer sclerotherapy, but the follow up is necessary for malignant change. We report two cases of epidermoid cyst in submental area excised externally with literature review.

• Korean Journal of Head & Neck Oncology
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• v.15 no.2
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• pp.246-249
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• 1999

Mikulicz's disease is an autoimmune disorder characterized by asymptomatic chronic swelling of the salivary gland or lacrimal gland. It is also called as a benign lymphoepithelial lesion. The clinical manifestations are usually bilateral and symmetric. The diagnosis is confirmed by only histopathologic finding. Microscopically, the lymphoid infiltration and epimyoepithelial island appear as the solid nests surrounded and infiltrated by lymphoid cells. The treatment is symptomatic, but the patients are at an increased risk for the development of malignant lymphoma. So it need a careful observation.

• Korean Journal of Head & Neck Oncology
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• v.34 no.1
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• pp.59-63
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• 2018

Brachial plexus schwannomas are rare tumors. They are benign nerve sheath tumors and only about 5% of Schwannoma arise from the brachial plexus. Due to its rarity and complex anatomical location they can pose a formidable challenge to surgeons. We present a case of a young patient who presented with an supraclavicular swelling three months, that were proven to be schwannoma on histopathology.

• Korean Journal of Head & Neck Oncology
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• v.35 no.2
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• pp.81-83
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• 2019

Pneumoparotid is a rare cause of parotid gland swelling, and is caused by retrograde air reflux from the oral cavity, into the parotid gland via Stensen's duct. Most patients complained of painless swelling in the parotid region. Herein, we report a rare case of pneumoparotid, incidentally diagnosed without symptoms on CT, for follow-up of parotid lymph node enlargement.

• Korean Journal of Bronchoesophagology
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• v.17 no.1
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• pp.50-52
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• 2011

Ectopic thyroid gland is a defined as thyroid tissue located in a site other than its usual pre-tracheal location. Ultrasound examination, CT scan, thyroid scan, and thyroid iodine uptake test are all valuable modalities for a differential diagnosis. Although most of cases are asymptomatic, treatment is indicated when there are symptoms related to progressive growth of mass. This article reports a ectopic thyroid cyst in the anterior neck that was similar to deep neck infection accompanied by acute airway obstruction.

• Korean Journal of Bronchoesophagology
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• v.6 no.1
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• pp.96-101
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• 2000

It is commonly believed that the branchial anomalies are remnants of the branchial apparatus. Third and fourth branchial pouch anomaly is an extremely rare disease involving the branchial apparatus. Virtually mostly reported cases have been on the left side and has been identified in recurrent suppurative thyroiditis, retropharyngeal abscess and repeated episodes of cellulitis, neck swelling, lateral neck fistula. Recently the authors have experienced a case of left piriform sinus fistula accompanied with left suppurative thyroiditis, presumably of fourth branchial origin in a 50-years old male patients, which was successfully treated with coagulation, and so report this case with summary of branchial anomaly by the some review of the literatures.

• Korean Journal of Head & Neck Oncology
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• v.24 no.1
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• pp.76-79
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• 2008

Adenoid cystic carcinoma(ACC) is one of the common malignant tumor of the major and minor salivary glands. ACC arising from the larynx is relatively rare(less than 1% of laryngeal malignant tumors) and only about eighty cases have been reported in the English literature. Definite diagnosis of these lesions is made only from a histological analysis, because findings and symptoms are non-specific. The diagnosis progresses very slowly, therefore it often presents at an advanced stage with regional and distant metastasis. Here, we present one case of ACC of the supraglottic region with a review of literature.

• Korean Journal of Head & Neck Oncology
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• v.24 no.1
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• pp.80-82
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• 2008

Epidermoid cysts can be found anywhere in the body, particularly in areas where embryonic elements fuse together. Most cases have been reported in the ovaries, the testicles, as well as the hand and feet. Epidermoid cysts in mouth are uncommon and account for less than 0.01% of all oral cysts. The treatment of choice is complete surgical excision and prognosis is excellent. The purpose of this article is to describe two cases of an epidermoid cyst in the oral cavity mucosa and a review of the literature.

• Korean Journal of Head & Neck Oncology
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• v.34 no.2
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• pp.39-41
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• 2018

Primary laryngeal candidiasis is rare in immunocompetent patients and is prone to confusion with early glottic carcinoma or leukemia. We experienced a case of 74-year-old man who has 3- month history of hoarseness. The pathologic diagnosis was laryngeal candidiasis. He was treated with antifungal agents for 4 weeks after vocal cord stripping under general anesthesia. After treatment, the patient had no candidiasis or discomfort with his voice. We report this case with a review of literature.

• Korean Journal of Head & Neck Oncology
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• v.35 no.1
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• pp.45-48
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• 2019

Osseous choristoma is a rare, benign proliferative osseous lesion, which is defined as the growth of normal tissue in an abnormal location. The etiopathogenesis for its formation is unknown, but various hypotheses have been proposed. Treatment of choice is en-bloc resection, and no recurrence has been reported. Here, we report the two cases of osseous choristoma, presented with a mass on the base of the tongue with/without globus symptom and were treated with surgical excision.