• Korean Journal of Head & Neck Oncology
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• v.25 no.2
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• pp.153-155
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• 2009

Ectopic thyroid glands generally occur in the midline as a result of abnormal median migration, and their presence lateral to the midline is extremly rare. We report a 83-year-old male with anaplastic carcinoma admix papillary carcinoma in the extrathyroid area. We suspected left lateral neck metastasis on preoperative fine needle aspiration result and computed tomography. the patient underwent total thyroidectomy and left selective neck dissection(level II, III, IV, V). The patient was diagnosed as having an ectopic thyroid gland on the lateral neck with anaplastic carcinoma admix papillry carcinoma. The patient is alive without incident of tumor recurrence at 5month after surgery and radiotherapy.

• Korean Journal of Head & Neck Oncology
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• v.15 no.2
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• pp.239-242
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• 1999

Spindle cell carcinomas of the head and neck are unusual neoplasms that are histologically biphasic, having both squamous cell carcinoma and apparently malignant spindle cell or sarcomatous element. Controversy about the histogenesis of these tumors has resulted in various terminology ; sarcomatoid carcinoma, pseudosarcoma, carcinosarcoma, and spindle cell carcinoma. The clinical course and natural history of these tumors are also variable. We report a case of 64-year-old male who complained of a neck mass. The patient was treated with extended radical neck dissection and postoperative radiotherapy, but the primary site of spindle cell carcinoma could not be found. We reviewed the clinical course, treatment, prognosis, and histogenesis of spindle cell carcinoma of the head and neck.

• Korean Journal of Head & Neck Oncology
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• v.31 no.1
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• pp.22-26
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• 2015

Small cell carcinoma of larynx has been reported as a rare disease occurring in 0.5% of larynx cancer. This tumor is known as one of the most lethal of all malignancies and associated with early recurrence and distant metastasis, leading into death. We experienced a case of a 70-year old male patient, who had admitted for sore throat and dysphagia and diagnosed as small cell carcinoma of larynx. We present small cell carcinoma of larynx with a brief review of literature.

• Korean Journal of Head & Neck Oncology
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• v.4 no.1
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• pp.53-58
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• 1988

We have experienced 3 cases of papillary carcinoma of the thyroid gland seen as lateral neck cyst, Usually cystic lesions of the neck have been considered as benign lesions from clinical viewpoint. The usual differential diagnosis includes branchial cleft cyst, cystic hygroma, dermoid cyst, cold abscess(tuberculous lymphadenitis) and cavitating squamous cell carcinoma. A lateral neck cyst as the sole presenting complaint of the papillary thyroid carcinoma is very rare. Preoperative diagnosis of lateral neck cyst is often diagnostic dilemma. Fine-needle aspiration cytology can be helpful in detecting the cancer cells and in demonstrating the nature of the fluid component of the lateral neck cyst. Presence of brown murky fluid from the aspirated fluid is highly suggestive of thyroid carcinoma. The thyroid scans and B-mode ultrasonography mayor may not be helpful to detect the primary focus of the thyroid gland. We suggest that a patient with a lateral neck cyst in adult age group should be considered to be a possibility of underlying thyroid carcinoma presanting as lateral neck cyst.

• Korean Journal of Bronchoesophagology
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• v.2 no.2
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• pp.268-273
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• 1996

Cystic lesions of the neck are frequently encountered on clinical basis. The usual differential diagnosis includes branchial cleft, cystic hygroma, dermoid cyst, tuberculous lymphadenitis, benign detached goiterous thyroid cyst, and Cavitation epidermoid carcinoma. Most of cysts are benign and malignant cysts are rare. The most common form of cystic malignancy in the lateral neck is cystic degeneration of epidermoid carcinoma metastatic to cervical lymph nodes. Cystic neoplasia may result from malingnant changes occurring within the wall of a previously benign cyst Complete head and neck examination on the primary focus is important Especially, when palpation of thyroid is negative, thyroid carcinoma is easily overlooked. Recently, we experienced papillary carcinoma of the thyroid seen as lateral neck cyst. So we report this case with review of literatures.

• Korean Journal of Bronchoesophagology
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• v.12 no.2
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• pp.31-34
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• 2006

Simultaneous occurrence of medullary and papillary thyroid carcinomas in the same gland is very rare. In fact. there are only 18 cases of simultaneous occurrence of medullary and papillary thyroid carcinomas in the literature. We report a case of simultaneous medullary and papillary carcinoma of thyroid gland. A 67-year-old woman was diagnosed with medullary carcinoma of right lobe of thyroid gland and papillary carcinoma of left lobe of thyroid gland by fine needle aspiration cytology. Total thyroidectomy, anterior neck dissection, bilateral modified radical neck dissection and tracheotomy was undertaken. The tumor metastasized to regional lymph node and extrathyroidal muscle invasion of left papillary carcinoma was also revealed by pathological report. This report describes a case of thyroid carcinoma that demonstrated both medullary carcinoma and papillary components in the thyroid with lymph node metastasis.

• Korean Journal of Head & Neck Oncology
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• v.37 no.2
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• pp.81-85
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• 2021

Lymphoepithelial carcinoma is an extremely rare malignant tumor, especially those localized at the head and neck region. The histological prototype of lymphoepithelial carcinoma is undifferentiated nasopharyngeal carcinoma. Herein, we report a case of a tumor localized in the left submandibular gland in a 20-year-old male. The tumor mass was surgically excised with the submandibular gland, and the specimen was pathologically confirmed to be lymphoepithelial carcinoma.

• Korean Journal of Otorhinolaryngology-Head and Neck Surgery
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• v.61 no.11
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• pp.611-614
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• 2018

Lymphoepithelioma-like carcinoma exhibits immunohistochemically similar features to lymphoepithelioma and commonly occurs in the skin, salivary gland, breast, lung, gastrointestinal tract, liver, urinary tract, prostate, vulva and vagina. Lymphoepithelioma-like carcinoma from the thyroid gland is extremely rare. We recently experienced a case of lymphoepithelioma-like carcinoma of thyroid gland in a 28-year-old female, who presented a thyroid nodule that was suspicious of papillary carcinoma. We report this unusual case of lymphoepithelioma-like carcinoma of thyroid gland with a brief review of literature.

• Korean Journal of Head & Neck Oncology
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• v.33 no.2
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• pp.67-70
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• 2017

We present a metastatic carcinoma from the breast to the neck soft tissue around common carotid artery, with a rare finding of voice change. A 60 year-old female patient presented with voice change for 7 months. Neck ultrasound revealed a soft tissue mass between internal jugular vein and common carotid artery. Result of fine needle aspiration biopsy was a metastatic carcinoma. Computed tomography and magnetic resonance image revealed $2.5{\times}3.0cm$ sized irregular marginated soft tissue mass in right lower neck encasing common carotid artery and internal jugular vein. Surgical resection was performed and pathologic result with immunohistochemical analysis confirmed the diagnosis of a metastatic invasive ductal carcinoma originated from breast.

• Korean Journal of Head & Neck Oncology
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• v.21 no.2
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• pp.178-182
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• 2005

Insular carcinoma(poorly differentiated thyroid cancer) is defined as a aggressive, follicular-derived thyroid carcinoma with behavior intermediate between follicular/papillary and anaplastic carcinomas. It was described by Carcangiu in 1984, but its prognosis, classification and the origin is not yet clear. And preoperative fine needle aspiration cytology of insular carcinoma has not been satisfactory. We experienced a case of advanced thyroid insular carcinoma with invasion of the sternum. So we intend to present the case with a review of the related literatures.