• Korean Journal of Head & Neck Oncology
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• v.32 no.2
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• pp.35-39
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• 2016

Castleman's disease (CD) is an uncommon lymphoproliferative disorder. The disease entity is classified into 2 clinical subtypes, unicentric and multicentric type. Prevalence of lymphoid malignancy in multicentric CD (MCD) is very low. In this case, we report a case of 77 years old woman who developed high fever and swelling in both side of her neck. Neck lymph node biopsy revealed plasma cell hyperplasia. Patient's symptom was subsided after treatment with Dexamethasone. Three months later, multiple lymph node enlargement was developed in abdomen and neck area again. Repeated neck lymph node biopsy confirmed diffuse large B cell lymphoma. The patient started chemotherapy.

• Korean Journal of Head & Neck Oncology
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• v.26 no.2
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• pp.216-220
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• 2010

Carcinoma ex pleomorphic adenoma is rare, aggressive, poorly understood malignancy that occurs in the salivary glands. The patient was 70-year-old male presenting ovoid elevated submandibular mass that has been present for 30 years and rapid growing for 6 months. The initial cytologic finding by fine needle aspiration biopsy showed highly malignant cells and the radiologic finding revealed a $3.6{\times}3.7{\times}4.8cm$ sized mass with cervical lymphadenopathy. After wide excision of submandibular gland and modified radical neck dissection, the histologic examination revealed that tumor was composed partly of a benign pleomorphic adenoma and partly of an adenocarcinoma component with areas of calcification and frequent angiolymphatic invasion. We present a rare case of adenocarcinoma ex pleomorphic adenoma with tumor thrombus in the submandibular gland.

• Korean Journal of Head & Neck Oncology
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• v.32 no.2
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• pp.55-59
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• 2016

Iinflammatory myofibroblastic tumor(IMT) is a benign chronic inflammatory mass composed of proliferative myofibroblasts. It is a space occupying lesion which could potentially covert to malignant tumor. Treatment guideline of the disease has not been established due to its rarity. We demonstrate a 60-year old male who had surgical excision for IMT of the cervical esophagus. During the follow-up period, he revealed recurrent tumor which showed sarcomatous change with distant metastasis. We reported this rare case with review of the literature.

• Korean Journal of Head & Neck Oncology
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• v.16 no.2
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• pp.187-190
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• 2000

Parotidectomy, combined with neck dissection, is not rare situation in case of parotid malignancy. It is common to accomplish the parotidectomy and neck dissection separately. But there are numerous lymph nodes surrounding the marginal mandibular branch of facial nerve and facial artery and vein. And so, Mono-bloc dissection of the parotid gland and neck specimen is neccessary to completely resect these lymph nodes with preserving the marginal mandibular branch of facial nerve. We are reporting three cases of mono-bloc dissection of the parotid gland and neck specimen.

• Asian Pacific Journal of Cancer Prevention
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• v.16 no.15
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• pp.6541-6544
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• 2015

Background: Laryngeal malignancy is a common malignancy of the head and neck region. Affected patients usually present with features that are characteristic of certain subsites. The larynx is oncologically divided into three: supraglottis, glottis and subglottis. Studies from Western countries have shown that the glottis is the commonest subsite to harbour laryngeal malignancy. However, the supraglottis has been reported to be the commonest subsite in developing countries, including examples in the Indian subcontinent. To our knowledge, no study has been carried out in western Nepal about the epidemiology of laryngeal cancer to date. The purpose of this study was to analyse the epidemiology of laryngeal cancer in relation to its risk factors, age distribution,and preferred subsites and to see if there is any recent change in the subsite wise distribution of laryngeal malignancy in western Nepal. Materials and Methods: Patients of all ages and both sexes with suspected laryngeal malignancy were enrolled in the initial study. Detailed history taking and clinical examination was performed to find out the involved subsite in relation to the clinical features. Direct laryngoscopy was performed to further confirm the subsite and to take biopsy from the growth under general anesthesia. After confirmation of malignancy from the biopsy report, patients were finally included in the study. Data were analysed and observations were made to find out the distribution of laryngeal malignancy in different subsites. Results: The supraglottic larynx was the commonest subsite to harbor laryngeal malignancy. Smoking and alcohol were found to be the common risk factors. The mean age of the patients was in their sixties. Conclusions: Laryngeal malignancy is common in elderly individuals. Supraglottic laryngeal malignancy is the commonest laryngeal malignancy in people who smoke and drink alcohol in Nepal. Avoidance of alcohol use and smoking will be a milestone to reduce the incidence of laryngeal cancers and associated mortality.

• Journal of Clinical Otolaryngology Head and Neck Surgery
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• v.29 no.2
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• pp.301-306
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• 2018

Immunoglobulin G4-related disease (IgG4RD) is a chronic inflammatory condition characterized by tissue infiltration with lymphocytes and IgG4-secreting plasma cells, as well as varying degrees of fibrosis. We report a case of a 70-year-old man with a rapid-growing cervical mass for several months. Computed tomography and positron emission tomography showed a huge, ill-defined mass involving left thyroid lobe and encasing the common carotid artery, which was clinically and radiologically suspicious for anaplastic thyroid carcinoma. Ultrasonography-guided core needle biopsy was performed and histopathology examination revealed to be consistent with IgG4RD, and the IgG4/IgG ratio was 0.6. After oral corticosteroid was administered, the mass was dramatically resolved. Because IgG4RD often presents as a single localized and infiltrated mass lesion, it can be confused and misdiagnosed as a malignancy. Thus, clinicians should consider IgG4RD as a differential diagnosis in a rapid-growing neck mass to prevent unnecessary and excessive treatments.

• Korean Journal of Head & Neck Oncology
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• v.40 no.1
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• pp.37-41
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• 2024

Carcinoma ex pleomorphic adenoma is an uncommon malignant salivary gland tumor that arises from a long-standing pleomorphic adenoma. The carcinomatous component of carcinoma ex pleomorphic adenoma can possess virtually any histologic subtype of salivary gland cancer. We experienced a case of a 61-year-old patient who presented with a right parotid mass that was initially palpated 20 years ago, with a sudden increase in size in the last few months. Radiological and cytological findings from fine needle aspiration biopsy could not exclude malignancy. Total parotidectomy and selective neck dissection were performed for treatment, and carcinoma ex pleomorphic adenoma with mixed carcinoma components of salivary duct carcinoma and myoepithelial carcinoma was diagnosed. After receiving postoperative radiation of 6000 cGy over 6 weeks, there has been no recurrence up to the 18-month follow-up. We report this rare case of carcinoma ex pleomorphic adenoma with mixed malignancy subtypes, accompanied by a review of literature.

• Journal of Yeungnam Medical Science
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• v.3 no.1
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• pp.1-11
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• 1986

As public awareness of the various warning signs of malignancy increases, so does the concern evoked by the self identified finding of mass in the head and neck area. Not all the palpable masses are always significantly abnormal, but any nontender mass especially to the adult is significant enough to warrent further full investigation and follow up, the object of which should be to determine the possibility of malignancy and urgency of treatment. Approach to the diagnosis of the neck mass is so important in that it affects decision regarding further evaluation would lead to the determination of the most efficacious mode of therapy, eventually to the good prognosis. So, it should be emphasized that approach to the diagnosis of neck mass should be planned, systematic and thorough, this begins with the taking careful history following performance of complete examination of the head and neck especially to the nasopharynx, tongue base, pyriform sinus, palatine tonsil and larynx. Then a number of laboratory and radiologic studies are available, following triple endoscopy under general anesthesia and blind biopsy if needed. The most important rule to keep is that any biopsy procedures should be delayed to the last modality of effort to the diagnosis and if it should be done, under the plan of radical neck dissection.

• Korean Journal of Head & Neck Oncology
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• v.27 no.2
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• pp.210-214
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• 2011

Background and Objectives : Narrow Band Imaging(NBI) is a novel optical technique that enhances the visualization of superficial microvascular architecture which is commonly increased and founded as an irregular shape in a neoplastic lesion. The aim of this study is the evaluation of the usefulness of NBI in the diagnosis of Head and Neck Cancer. Subjects and Methods : From December 2009 to January 2011, 31 consecutive patients who were diagnosed with head and neck malignancy were enrolled in this prospective study. The malignant findings of NBI were demarcated brownish lesion or increased intraepithelial papillary capillary loops(IPCLs) with or without irregularity. Results : There were 29 cases(93.5%) of well demarcated brownish lesion, 26 cases(83.9%) of increased IPCLs and 4 cases(12.9%) of satellite lesions. Diagnostic accuracy of endoscopic examination was increased from 83.9% to 93.5%, when NBI was applied to the conventional endoscopy(p>0.05). Conclusion : NBI is a powerful and safe screening test, which can be performed in out patient clinic without any supplementary procedure.

• Korean Journal of Head & Neck Oncology
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• v.34 no.2
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• pp.89-92
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• 2018

Malignant salivary gland tumors only represent 0.08% of all childhood tumors. Especially, nasopharyngeal mucoepidermoid carcinoma(MEC) in pediatric age is an extremely rare malignancy. We hereby report a case of nasopharyngeal MEC in 5 year-old female patient. The patient underwent the complete removal of the tumor by endonasal endoscopic approach. Adjuvant postoperative radiotherapy was not considered. After 3.5 years of follow-up, there are no sign of recurrence and metastasis. Minor salivary gland tumor must be considered as a differential diagnosis of angiofibroma in nasopharynx in pediatric age. To our knowledge, the case we describe is the third case of nasopharyngeal MEC in pediatric age reported in literature.