• Title/Summary/Keyword: Thymic cyst

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Cervical Thymic Cyst (경부에 발생한 흉선 낭종 1예)

  • Kim Suk-Mo;Chang Hang-Seok;Park Cheong-Soo
    • Korean Journal of Head & Neck Oncology
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    • v.20 no.1
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    • pp.55-57
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    • 2004
  • Cervical thymic cysts are not very common. Two-thirds of the lesions are detected in the 1st decade of life, when the thymus is biggest in size and most active. The remaining one-third in the 2nd and 3rd decades. Due to its rarity, cervical thymic cyst is seldom included in the differential diagnosis of a neck mass. Approximately 90 cases have been reported thus far, and most of these cases have occurred asymptomatically in children and adults. We report a case of a 44-year old man with a cervical thymic cyst mimicking branchial cleft cyst.

A Case of Well-Differentiated Thymic Carcinoma with Extensive Cystic Degeneration (광범위한 낭성 변화를 보인 고분화성 흉선암종 1예)

  • Kim, Kyung-Wook;Kim, Hyung-Jung;Ahn, Chul-Min;Lee, Doo-Yun;Kim, Sang-Jin;Yang, Woo-Ik
    • Tuberculosis and Respiratory Diseases
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    • v.46 no.5
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    • pp.718-722
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    • 1999
  • Thymoma is the most common tumor in the compartment of anterior mediastinum. The malignant thymoma is classified into invasive thymoma(category I) and thymic carcinoma(category II). Recently, well-differentiated thymic carcinoma is a proposed category 1.5 used to describe a subset of thymic epithelial tumors, allowing for the existence of intermediate form based on the clinical features and the histological characteristics. Thymic cyst is a congenital or a acquired disorder. Congenital thymic cyst may develop due to failure of the thymopharyngeal duct to obliterate and acquired thymic cyst develops from inflammation(multilocular thymic cyst), or neoplasm(cystic thymoma). Cystic degeneration in thymoma is a relatively frequent but focal event. In rare cases, the process proceeds to the extent that most or all of the lesion becomes cystic. Until now, well-differentiated thymic carcinoma with extensive cystic degeneration has not been reported in our country. We experienced a case of 14 year-old female patient showing extensive cystic degeneration in well-differentiated thymic carcinoma. And so we report it with review of the articles related.

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Thymic Cyst Causing Tracheal Stenosis : one case report (기도협착을 유발한 흉선낭종)

  • Hwang, Jung-Joo;Yang, Hong-Seok;Paik, Hyo-Chae;Hong, Soon-Won;Lee, Doo-Yun
    • Korean Journal of Bronchoesophagology
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    • v.10 no.2
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    • pp.68-71
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    • 2004
  • Thymic cysts are uncommon tumors which usually occur in the neck and mediastinum. It is known to arise from embryonic remnants of the thymopharyngeal duct or from inflammation of thymic tissues. Patients with thymic cyst are often asymptomatic and identified after surgical removal and histologic examination. We experienced a 73 year-old man with recently developed dyspnea. During the examination, chest CT showed a $5\times6cm$ sized cystic mass causing deviation of the trachea. It was located in between the right thyroid gland and anterior mediastinum. It also caused tracheal narrowing noted by bronchoscopy. Right anterior cervical incision and removal of the mass was performed and a histological diagnosis of thymic cyst was confirmed. The patient was discharged without complication.

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Thymic Cyst Causing Tracheal Stenosis : one case report (기도협착을 유발한 흉선낭종)

  • Hwang, Jung-Joo;Yang, Hong-Seok;Paik, Hyo-Chae;Hong, Soon-Won;Lee, Doo-Yun
    • Korean Journal of Bronchoesophagology
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    • v.11 no.1
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    • pp.25-27
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    • 2005
  • Thymic cysts are uncommon tumors which usually occur in the neck and mediastinum. It is known to arise from embryonic remnants of the thymopharyngeal duct or from infammation of thymic tissues. Patients with thymic cyst are often asymptomatic and identified after surgical removal and histologic examination. We experienced a 73 year-old man with recently developed dyspnea. During the examination, chest CT showed a $5{\times}6cm$ sized cystic mass causing deviation of the trachea. It was located in between the right thyroid gland and anterior mediastinum. It also caused tracheal narrowing noted by bronchoscopy. Right anterior cervical incision and removal of the mass was performed and a histological diagnosis of thymic cyst was confirmed. The patient was discharged without complication.

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CT Findings of Thymic Epidermoid Cyst in the Anterior Mediastinum: A Case Report and Literature Review (전종격동에서 발생한 흉선 유표피 낭종의 CT 소견: 증례 보고와 문헌 고찰)

  • Jong Hee Kim;Jung Won Moon;Yoo Na Kim;Ji Young Woo;Jeong Won Kim
    • Journal of the Korean Society of Radiology
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    • v.83 no.1
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    • pp.212-217
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    • 2022
  • An epidermoid cyst is a benign tumor found anywhere in the body. However, the occurrence of epidermoid cysts in the thymus is extremely rare, with only six cases reported worldwide. The correct diagnosis of thymic epidermoid cysts is often difficult due to the unusual location and nonspecific imaging findings. Herein, we present a case of a thymic epidermoid cyst in a 37-year-old female with clinical information and chest CT findings. Further, we have reviewed previous literature reports describing imaging findings of thymic epidermoid cysts.

Congenital Thymic Cyst: A Report of Two Cases (선천성 흉선 낭종 2례 보고)

  • 김주현
    • Journal of Chest Surgery
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    • v.5 no.1
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    • pp.41-44
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    • 1972
  • Thymic cyst is a relatively uncommon,usually asymptomatic benign lesion situated in the anterior mediastinum or in the neck,and sometimes in both regions. This is a report of two cases of congenital thymlc cyst in a 18 year old girl and a 43 tear old man. Those were treated with extirpation of the cystic lesion by thoracotomy successfully and had good postoperative results.

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Surgical treatment of thymic disease -A comparison to medical treatment in myasthenia gravis- (흉선질환의 외과적 치료 -중증근무력증 환자에서 약물치료와의 비교관찰-)

  • 김경우
    • Journal of Chest Surgery
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    • v.19 no.4
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    • pp.736-743
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    • 1986
  • Thymus gland is a kind of endocrine organ which secretes thymosin and thymoprotein. There can be developed variable lesions like thymoma, thymic hyperplasia, thymic cyst, thymolipoma, and carcinoid tumor of the thymus gland. We have experienced 25 patients of thymic disease: thymoma 12, thymic hyperplasia 11, thymic cyst 1, carcinoid tumor 1. The age distribution were ranged from 3 to 66 years and the sex ratio was 1:1.8 [male to female]. Thymectomy was performed in all cases, but 3 cases with deep infiltration to the adjacent structures were not resectable completely. Malignancy [all thymoma] were 5 and the rest were benign. Two cases were died of recurrence after tumor resection. Myasthenia gravis occurred in 10 cases. Among them, 2 were thymoma and 8 were thymic hyperplasia. We could obtained the result that thymectomized cases reached 2 remission and 5 improvement. Myasthenia gravis treated medically [18 cases] had no remission and only 2 clinical improvement. In the light of these results, early radical thymectomy would be most favorable treatment in not only thymic tumor, but generalized myasthenia gravis.

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Clinical evaluation of thymic tumors: a report of 10 cases (흉선에 발생한 종양 10례에 대한 임상적 고찰)

  • Gwak, Mun-Seop;Lee, Hong-Gyun
    • Journal of Chest Surgery
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    • v.16 no.4
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    • pp.571-583
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    • 1983
  • Thymic tumor is the most common neoplasm originating in the anterior mediastinum. Histologically, thymic tumors and tumorlike conditions have been classified into thymic cyst, thymolipoma, true thymic hyperplasia, thymoma and carcinoid tumor of the thymus gland. We have experienced several tumors and a few tumorlike conditions of the thymus gland in 10 patients: thymoma 6, thymic hyperplasia 2, carcinoid tumor 1 and thymic cyst 1. The age distributions were ranging from 30 to 60 years except for one 3 year old child [malignant thymoma, lymphocytic type], and male to female ratio was 1:1.5. In 6 cases, thymic lesions were removed through lateral thoracic incision [right 2, left 4] because the mediastinal masses were growing far into the pleural space, meanwhile, medially located lesions [4 cases] through median sternotomy incision. Among these 10 patients, 3 were malignant thymomas, in which 2 were died of recurrence after tumor resection. Myasthenia gravis was all noted in 3 females [thymoma 2, thymic follicular hyperplasia 1], in which only two revealed remission in symptoms following thymectomy. The authors would like to recommend early radical thymectomy through median sternotomy incision whenever patients demonstrate suspicious thymic tumor lesions on the chest roentgenogram or generalized myasthenic symptoms.

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Atypical Thymic Carcinoid Tumor with Thymic Cyst - 1 case report - (흉선 낭종을 동반한 비정형 흉선유암종 - 1례 보고 -)

  • 정재일;김재욱;김승우;구본일;강윤경
    • Journal of Chest Surgery
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    • v.35 no.8
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    • pp.634-637
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    • 2002
  • Thymic carcinoid or neuroendocrine tumor of thymus is a very rare disease and has poor prognosis due to frequent recurrence and distant metastasis. A 43-year-old man was refered to our hospital because of Rt. chest pain and tightness. Chest X-ray revealed $7{\times}8$cm sized mass on Rt. anterior mediastinum. Surgical excision was performed and light microscopic, immunohistochemical and electron microscopic findings were confirmed as atypical thymic carcinoid tumor with thymic cyst. The patient has been followed up without recurrence or distant metastasis postoperatively for 3 months to now. We report a case of atypical thymic carcinoid with thymic cysts.