• Title, Summary, Keyword: Soft tissue myxoma

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A Soft Tissue Myxoma on the Palate: A Case Report

  • Ha, Ji-Woo;Jung, Won;Lee, Kyung-Eun;Suh, Bong-Jik
    • Journal of Oral Medicine and Pain
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    • v.45 no.3
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    • pp.65-70
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    • 2020
  • Myxomas in the orofacial regions are relatively uncommon tumors that occur in two different types: odontogenic myxomas and soft tissue myxomas. Odontogenic myxomas, derived from the mesenchymal cells such as papillae, dental follicles, or periodontal ligament, occur commonly in the maxilla and mandible. However, soft tissue myxomas in the oral cavity are rare and have been previously reported in only about 30 cases of unknown pathogenesis. The aim of this case report is to present a new case of oral soft tissue myxoma in a 37-year-old male patient who presented with a soft, exophytic round mass on the palate.

Myxoma arising from the parotid gland

  • Kim, Seung Min;Kim, Cheol Keun;Kim, Soon Heum;Lee, Myung Chul;Kim, Jee Nam;Choi, Hyun Gon;Shin, Dong Hyeok;Jo, Dong In
    • Archives of Craniofacial Surgery
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    • v.20 no.3
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    • pp.186-190
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    • 2019
  • Myxomas can be divided into two groups: those derived from the facial skeleton, and those derived from external skeletal soft tissue. Soft tissue myxomas of the head and neck are uncommon, with fewer than 50 cases reported. In any form and location, myxoma of parotid gland is rare. We report a case of myxoma arising from the left superficial lobe of the parotid gland with good long-term follow-up after superficial parotidectomy with tumor excision. A 49-year-old man was referred to our department of plastic and reconstructive surgery with a painless palpable mass that had persisted in the left mandible angle region for 2 years. Excision of the facial mass and superficial parotidectomy with facial nerve preservation were performed. The biopsy result was myxoma. Long-term follow-up for 22 months showed favorable results without evidence of recurrence but with temporary facial nerve weakness right after the surgery. Myxoma should be considered as a differential diagnosis when benign tumor of the parotid gland is being considered.

DISTRACTION OSTEOGENESIS FOLLOWED BY IMPLANT INSTALLATION ON THE RECONSTRUCTED MANDIBLE WITH A FREE ILIAC BONE GRAFT IN A ODONTOGENIC MANDIBULAR MYXOMA PATIENT : CASE REPORT (하악 치성점액종 환자에서 유리장골이식으로 재건된 하악골의 골신장술 후 임플란트식립 : 증례보고)

  • Lim, Hun-Jun;Kim, Moon-Seob;Lee, Dae-Jung;Lee, Jong-Bok;Min, Seung-Ki;Paeng, Jun-Young
    • Maxillofacial Plastic and Reconstructive Surgery
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    • v.31 no.5
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    • pp.419-424
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    • 2009
  • Odontogenic myxoma, a rare tumour that occurs in the jaws, locally invasive, destructive tumors that do not metastasize to lymph nodes. Large odontogenic myxoma on mandible is treated by mandibulectomy, defected mandible is reconstructed by bone graft. Reconstructed mandible is difficult to reconstruct dentition using implant because of deficiency of bone amount. So it is necessary to additional bone graft. But a poor aspect of soft tissue lead to unsatisfactory result. Because of distraction osteogenesis is possible to reconstruction of an amount of bone and soft tissue, that is advantage to reconstruction of alveolar bone on reconstructed mandible. We report with review of literatures the 25 years old male patient who had odontogenic myxoma in left mandible, was undergone mandibulectomy and successfully implant installation and prosthetic restoration after distraction osteogenesis(Track $Plus^{(R)}$, KLS Martin, Germany) on the reconstructed mandible with a free iliac bone graft, and we have conservative and successful result.

A Case Report of Myxoma in the Lung (폐에 발생한 점액종 1례)

  • Kim, Gwang-Hun;Lim, Cheol-Su;Ahn, Heok-Soo;Choi, Sang-In;Lee, Heung-Bum;Lee, Yong-Chul;Rhee, Yang-Keun
    • Tuberculosis and Respiratory Diseases
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    • v.44 no.5
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    • pp.1172-1176
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    • 1997
  • Since Virchow first introduced the term myxoma to describe a tumor that recapitulates the structure of the umbilical cord, it has been increasingly recognized that many diverse neoplasms may acquire a similar myxoid appearance. Myxoma have evolved within the pathology literature from tumors often described in practically all sites to the currently recognized subtypes restricted to the heart, skin, soft tissue, and bone. Pulmonary myxoma is extraordinary rare. We experienced pulmonary myxoma in a 63 year old man. The pulmonary radiology showed mass in right upper lung field, and percutaneous transthoracic needle lung biopsy was performed to confirm the myxoma.

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A Case of Nerve Sheath Myxoma on the Fingertip (수지첨부에 발생한 신경초 점액종)

  • Lee, Yong-Seok;Kim, Chul-Han;Kang, Sang-Gue;Tark, Min-Seong
    • Archives of Plastic Surgery
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    • v.37 no.1
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    • pp.67-70
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    • 2010
  • Purpose: Nerve sheath myxoma is a rare cutaneous neoplasm originating from the peripheral nerve sheath and divided into three groups : myxoid, cellular and mixed type. There is a controversy on it's origin whether schwannian cell or perineurial differentiation, or anything else. Myxoid nerve sheath myxoma is asymptomatic, soft, papule or nodule in middle-age adults. We report a case of myxoid nerve sheath myxoma on the fingertip. Methods: A 53-year-old woman presented with a painful, $0.4{\times}0.4{\times}0.6\;cm $sized, corn shaped nodule on the left 3rd fingertip. We put into surgical excision and studied it by histopathologically and specific immnohistochemical stain. Results: The tumor has well defined nodules separated by thin fibrous connective tissue with abundant myxoid stroma and were positively stainded for S-100 protein, NSE and GFAP. After surgical treatment it was healed without recurrence. Conclusion: Nerve sheath myxoma is rare neoplasm and located mainly on face, but very rarely on the fingertip. We report a case of painful myxoid nerve sheath myxoma located on the 3rd fingertip.

Peripheral odontogenic myxoma in a 12-year-old girl: a rare entity

  • Kanitkar, Sampada;Kamat, Mamata;Tamagond, Sridevi;Varekar, Aniruddha;Datar, Uma
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.43 no.3
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    • pp.178-181
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    • 2017
  • Peripheral odontogenic myxoma is a rare odontogenic tumor representing an extra osseous counterpart of central odontogenic myxoma. It is commonly seen in gingiva between the 3rd and 4th decades of life and appears predominantly in females. Compared to central odontogenic myxoma, it is a less aggressive, slow-growing lesion with a low recurrence rate. However, close postoperative follow-up is required because of the unlimited growth potential of incompletely removed lesions. It shares many features with other soft tissue myxoid proliferations occurring in the oral cavity and hence needs to be differentiated from them. Very few cases of peripheral odontogenic myxomas have been reported and, to the best of our knowledge, no case has been reported in a pediatric patient. We present an unusual case of peripheral odontogenic myxoma occurring in a 12-year-old girl located in the anterior mandibular gingiva, with an emphasis on differential diagnosis.

Periocular Myxoma in a Dog

  • Bae, Jae Hyun;Kim, Jury;Kwon, Seungjoo;Plummer, Caryn;Hillers, Kim;Kim, Min-Su
    • Journal of Veterinary Clinics
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    • v.37 no.1
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    • pp.34-37
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    • 2020
  • A 1-year-old castrated male Shih-Tzu dog presented with severe orbital swelling involving the right eye. Physical examination identified a painless swelling of the right periocular tissues and protrusion of the third eyelid. Radiographic examination revealed a well-delineated, spherical (3 × 3 cm) soft tissue mass. Ultrasonography confirmed a hypoechoic, multilobular, tubular cystic structure with hyperechoic foci. Fine needle aspiration was conducted and the cytologic impression revealed copious mucus, increased neutrophilic leucocytes, and foamy macrophages. Th tentative diagnosis was zygomatic sialocele, and the lesion was resected through lateral orbitotomy. Surgical exploration identified a multilobular mass adhering to the zygomatic glands. Both the zygomatic gland and the mass were removed. Histological findings were consistent with those of an inflamed myxoma. No postoperative recurrence occurred within 1 year.