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Two cases of osseous choristoma on tongue base

Geonho LEE ; Ho Ryun WON ; Bon Seok KOO ; Jae Won CHANG

Korean Journal of Head and Neck Oncology.2019;35(1):45-48. doi:10.21593/kjhno/2019.35.1.45

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.
Choristoma ; Osteoma ; Recurrence ; Tongue

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A Case of Intraductal Papilloma arising in the Parotid Gland

Soo Jin KIM ; So Jeong LEE ; Han Su KIM ; Soo Yeon JUNG

Korean Journal of Head and Neck Oncology.2019;35(1):41-44. doi:10.21593/kjhno/2019.35.1.41

Intraductal papilloma is an extremely rare benign tumor especially when it arises from major salivary gland. Recently, we experienced a case of an intraductal papilloma arising from the parotid gland in a 51-year-old woman. The radiologic finding showed lobulated enhancing and cystic solid mass in the left parotid superficial lobe. Superficial parotidectomy was performed. Pathological findings showed papillary proliferations with fibrovascular cores lined with bland cuboidal or columnar epithelial cells, and immunohistochemical stain results were consistent with intraductal papilloma. We report a case of intraductal papilloma in parotid gland with a review of literature.
Epithelial Cells ; Female ; Humans ; Middle Aged ; Papilloma, Intraductal ; Parotid Gland ; Salivary Glands

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A Case of Angioimmunoblastic T-cell Lymphoma Involving the Ipsilateral Parotid and Lateral Neck

Seok Jung HONG ; Mi Ji LEE ; Seung Woo KIM

Korean Journal of Head and Neck Oncology.2019;35(1):37-40. doi:10.21593/kjhno/2019.35.1.37

Angioimmunoblastic T-cell lymphoma (AITL) is a rare subtype of malignant lymphoma (ML), accounting for only 1 to 2% of all non-Hodgkin's lymphoma (NHL). Although ML of the parotid gland is rare, the majority are B-cell types. The AITL occurring synchronously in the parotid gland and lateral neck has not been reported earlier. It is classified as a high-grade malignancy with aggressive clinical features, and the prognosis is worse than any other type of NHL. We recently encountered a 72-year-old man with multiple mass on the ipsilateral parotid tail and lateral neck, and he was finally diagnosed as AITL. We report the unique and rare disease entity with a brief literature review.
Aged ; B-Lymphocytes ; Humans ; Lymphoma ; Lymphoma, Non-Hodgkin ; Lymphoma, T-Cell ; Neck ; Parotid Gland ; Prognosis ; Rare Diseases ; T-Lymphocytes ; Tail

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A Case report of MALT lymphoma in parotid gland

Myeong Hee KIM ; Jong Joong CHOI ; Hong Geun AHN ; Joong Su PARK ; Yeon Soo KIM

Korean Journal of Head and Neck Oncology.2019;35(1):33-36. doi:10.21593/kjhno/2019.35.1.33

Mucosa-associated lymphoid tissue (MALT) lymphoma has specific clinical and pathologic features. The most common site MALT lymphomas is the stomach; however, it can also occur in other organs, such as the salivary glands. MALT lymphoma is rare, but its prognosis is good. A 32-year-old man visited Konyang university hospital with parotid mass. Superficial partial parotidectomy was performed to exclude lymphoid neoplasms. IgH gene rearrangement analysis of the surgical specimen led to the diagnosis of MALT lymphoma. The patient underwent esophagogastroduodenoscopy, positron emission tomography-computed tomography, and whole-body bone scan. Regional or distant metastasis was not observed on staging workup. The patient underwent postoperative radiation therapy, there has been no recurrence of MALT lymphoma to date. Here, we report this rare case of parotid MALT lymphoma that was treated with surgery and postoperative radiation therapy.
Adult ; Diagnosis ; Electrons ; Endoscopy, Digestive System ; Gene Rearrangement ; Humans ; Lymphoid Tissue ; Lymphoma ; Lymphoma, B-Cell, Marginal Zone ; Neoplasm Metastasis ; Parotid Gland ; Prognosis ; Recurrence ; Salivary Glands ; Stomach

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Lipoma of the Floor of the Mouth: a Case Report

Dong Hyun KIM ; Seung Yoon HAN ; Jae Hoon LEE

Korean Journal of Head and Neck Oncology.2019;35(1):29-32. doi:10.21593/kjhno/2019.35.1.29

Lipoma is one of the most common benign tumors in the human body. However, they are uncommon in the oral cavity. Oral lipomas can occur on the cheeks, tongue, lips, gums and rarely on the floor of the mouth. Clinical symptoms are usually asymptomatic yellow masses. Sometimes the tumor grows and can have difficulty speaking and mastication. The treatment of lipoma is surgical excision, and recurrence is rare. We present a case of oral lipoma in an unusal location on the floor of mouth which is rare in the literature.
Cheek ; Gingiva ; Human Body ; Lip ; Lipoma ; Mastication ; Mouth Floor ; Mouth ; Recurrence ; Tongue

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A case of neck lipoblastoma in a pediatric patient

Jae Hyung KIM ; In Hak CHOI ; Young Chan KIM ; Seung Kuk BAEK

Korean Journal of Head and Neck Oncology.2019;35(1):25-27. doi:10.21593/kjhno/2019.35.1.25

Lipoblastoma is a rare benign tumor with 80–90% occurring in children less than 3 years of age and 40% occurring in children less than 1 year of age. The most common site of incidence is limb, and then trunk. Neck is the rare site of incidence. The main symptom that the patient complains about is a rapidly growing neck mass without pain. When the size of mass increases, it can cause dyspnea, Horner's syndrome. Lipoblastoma is usually diagnosed as a lipoma in the fine needle aspiration. Since it is not differentiated from lipoma, liposarcoma, and hibernating adenoma in CT and MRI, the definitive diagnosis is histologic diagnosis through surgical resection. The treatment is complete surgical resection. And recurrence rate is 9–25% due to incomplete resection. Authors report this case with a review of literatures since we experienced a case of lipoblastoma diagnosed histopathologically after surgical treatment of neck mass.
Adenoma ; Biopsy, Fine-Needle ; Child ; Diagnosis ; Dyspnea ; Extremities ; Horner Syndrome ; Humans ; Incidence ; Lipoblastoma ; Lipoma ; Liposarcoma ; Magnetic Resonance Imaging ; Neck ; Pediatrics ; Recurrence

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Use of Acellular Allogenic Dermal Matrix in Soft Palate Reconstruction after Excision the Pleomorphic Adenoma

Jae Seong LEE ; Gil Chae LIM ; Jeong Hong KIM ; Jae Kyoung KANG ; Myoung Soo SHIN ; Byung Min YUN

Korean Journal of Head and Neck Oncology.2019;35(1):21-23. doi:10.21593/kjhno/2019.35.1.21

Recent studies have reported on the reconstruction of oral mucosal defects using acellular dermal matrix (ADM). This case report describes the reconstruction of a soft-palate mucosal defect using ADM. A 43-year-old man developed a 2.5 cm × 3 cm soft-palate mucosal defect after the removal of a lump on the soft palate andreconstructed the defect using ADM without further complications. Reconstruction of the soft palate with ADM could be more convenient than traditional methods including primary closure, skin graft, and local or free flap without complications.
Acellular Dermis ; Adenoma, Pleomorphic ; Adult ; Free Tissue Flaps ; Humans ; Palate, Soft ; Skin ; Transplants

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Analysis of PD-L1 expression in salivary duct carcinoma with its efficacy as a tumor marker

Yong Ju LEE ; Yoon Woo KOH ; Sun Och YOON ; Hyang Joo RYU ; Hye Ryun KIM ; Hyang Ae SHIN

Korean Journal of Head and Neck Oncology.2019;35(1):13-20. doi:10.21593/kjhno/2019.35.1.13

BACKGROUND/OBJECTIVES: Despite multiple approaches of treatments for salivary duct carcinoma, there has been a need for more successful treatment methods because of its poor prognosis. Treatment options like immunotherapy using new technologies have been attempted. Based on recent study results indicating that targeting programmed death receptors are effective in treating various cancers, this study aimed to identify the frequency of PD-L1 expression and its impact on survival rate in salivary duct carcinoma.MATERIALS #SPCHAR_X0026; METHODS: We studied 33 patients with salivary gland cancer who were available for histologic specimens. We examined the expression of PD-L1 in the tissues and analyzed the association with the survival rate and the association with various clinical parameters.RESULTS: According to this study and review of similar studies, we discovered that the expression of PD-L1 in salivary duct carcinoma was lower than other types of cancers. The impact of PD-L1 on survival rate also showed inconsistency in salivary duct carcinoma.CONCLUSION: Immunotherapy by PD-1/PD-L1 checkpoint blockade in salivary duct carcinoma needs further evaluation for clinical application.
Humans ; Immunotherapy ; Prognosis ; Receptors, Death Domain ; Salivary Ducts ; Salivary Gland Neoplasms ; Survival Rate

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Contribution of Perforator Flaps in the Flap Selection for Head and Neck Reconstruction

Jeong Tae KIM

Korean Journal of Head and Neck Oncology.2019;35(1):1-11. doi:10.21593/kjhno/2019.35.1.1

In head and neck reconstruction, microsurgeons are faced with various demands, such as thin resurfacing, or three-dimensional reconstruction, and therefore, conventional flap as well as perforator flaps are all useful for the functional and aesthetic reconstruction successfully.Among perforator flaps, the pros and cons of anterolateral thigh perforator flap(ALTp) and thoracodorsal perforator flap(TAp) is compared and selected depending on the surgeon's preference, recipient site condition or patient status. Both flaps can be elevated in a chimeric pattern by combining different aspects of tissue components. Customized or tailored reconstruction as well as 3 dimensional reconstructions are all available with perforator flaps and it is useful in head and neck reconstruction.The most outstanding update in head and neck reconstruction is the perforator based island flap (PBIF) compared to conventional flaps. The conventional local flap has evolved on behalf of the perforator concept and its design becomes more flexible and freestyle with less limitations. Actually, random pattern flap is now a misnomer and most conventional local flaps turn into PBIFs.Finally we can say all conventional donor site becomes universal, depending on the surgeons' preference or idea. Moreover, there is no more “flap of choice” and postoperative results are quite variable by surgeons' ability. Operative procedures and plans are very flexible to freestyle flap. With all these advantages, surgeons should be armed with both conventional and perforator concepts for solving any defects or problems.
Arm ; Head ; Humans ; Microsurgery ; Neck ; Perforator Flap ; Surgeons ; Surgical Procedures, Operative ; Thigh ; Tissue Donors

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Incidentally Diagnosed Asymptomatic Pneumoparotid

Hee Young KIM ; Kyung Seok PARK ; Se Hyun JUNG ; Dong Hoon LEE

Korean Journal of Head and Neck Oncology.2019;35(2):81-83. doi:10.21593/kjhno/2019.35.2.81

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.
Follow-Up Studies ; Humans ; Lymph Nodes ; Mouth ; Parotid Gland ; Parotid Region ; Salivary Ducts

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