• 대한구강악안면병리학회지
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• 제42권5호
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• pp.129-133
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• 2018

Dentigerous cysts, the most commonly occurring developmental cysts of the jaw, develop in association with impacted teeth. Most dentigerous cysts are solitary. Multiple dentigerous cysts are rare and generally occur in association with a developmental syndrome or systemic disease, such as mucopolysaccharidosis and cleidocranial dysplasia. However, in the absence of a syndrome, occurrence of multiple dentigerous cysts is rare. Development of multiple dentigerous cysts on first molars extremely rare. The purpose of this paper was to report on a nonsyndromic, 8-year-old boy who presented multiple dentigerous cysts on first molars.

• Journal of Korean Neurosurgical Society
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• 제57권2호
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• pp.135-139
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• 2015

Spinal neurenteric cysts are uncommon congenital lesions, furthermore solitary neurenteric cysts of the upper cervical spine are very rare. A 15-year-old boy having an intraspinal neurenteric cyst located at cervical spine presented with symptoms of neck pain and both shoulders pain for 2 months. Cervical spine magnetic resonance (MR) imaging demonstrated an intradural extramedullary cystic mass at the C1-3 level without enhancement after gadolinium injection. There was no associated malformation on the MR imaging, computed tomography, and radiography. Hemilaminectomy at the C1-3 levels was performed and the lesion was completely removed through a posterior approach. Histological examination showed the cystic wall lined with ciliated pseudostratified columnar epithelium containing mucinous contents. Neurenteric cyst should be considered in the diagnosis of spinal solitary cystic mass.

• 치과방사선
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• 제24권1호
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• pp.95-105
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• 1994

The aim of this study was to evaluate the clinical, radiographic and histopathologic features of 23 cases of solitary bone cyst by means of the analysis of radiographs and biopsy specimens in 23 persons visited the Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyung Hee University and Chunbuk National University. The obtained results were as follows; 1. The incidence of solitary bone cyst was almost equal in males(52.2%) and in females(47.8%) and the prevalent age of the solitary bone cyst were the second decade(47.8%) and the third decade (21.7%). 2. In the signs and symptoms of solitary bone cyst, pain or tenderness revealed in 17.4%, swelling revealed in 13.0%, pain and swelling revealed in 21.7%, paresthesia revealed in 4.4% and 43.5% were asymptom and the tooth vitality involved in the solitary bone cyst, 76.5% were positive and 23.5% were either positive or negative. 3. In the location of the solitary bone cyst, 47.8% present posterior region, 21.7% present anterior region, 21.6% present anterior and posterior region, 4.4% present condylar process area. 4. In the hyperostotic border of the solitary bone cyst, 47.8% were seen entirely, 21.8% were seen partialy, and 30.4% were not seen. 5. In the change of tooth, 59.1% were intact, 18.2% were loss of the alveolar lamina dura, 13.6% were root resorption 4.55% were tooth displacement, 4.55% were root resorption and tooth displacement. 6. In the change of cortical bone of the solitary bone cyst, 39.1% were intact and 60.9% were thinning and expansion of cortical bone. 7. In the histopathologic findings of 9 cases, 33.3% were thin connective tissue wall, 11.1% were thickened myxofibromatous wall, 55.6% were thickened myxofibromatous wall with dysplastic bone formation.

• Imaging Science in Dentistry
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• 제44권1호
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• pp.75-79
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• 2014

Glandular odontogenic cysts (GOCs) are rare intrabony solitary or multiloculated cysts of odontogenic origin. The importance of GOCs lies in the fact that they exhibit a propensity for recurrence similar to keratocystic odontogenic tumors and that they may be confused microscopically with central mucoepidermoid carcinoma. Thus, the oral and maxillofacial radiologists play an important role in definitive diagnosis of GOC based on distinctive cases; though they are rare. In large part, this is due to the GOC's complex and frequently non-specific histopathology. This report describes a case of GOC occurrence in the posterior mandibular ramus region in a 17-year-old female, which is a rare combination of site, age, and gender for occurrence.

• Parasites, Hosts and Diseases
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• 제58권2호
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• pp.121-127
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• 2020

Pakistan is at intersection of hyperendemic regions for hydatidosis. Current study aimed to determine the prevalence of hydatid cysts and cyst characteristics in different intermediate hosts (sheep, goats, cattle and buffaloes) across the 4 provinces of Pakistan. A total of 991 sheep, 1,478 goats, 1,602 cattle and 1,343 buffaloes were examined for presence of hydatid cysts during 2 years (January 2016-December 2018). Differences in frequency of hydatidosis were observed with highest overall prevalence in buffaloes (11.9%) and sheep (11.5%). Highest prevalence and burden of infection were observed in older age animals (23.8%, 9.78±0.49) and females (26.5%, 12.53±0.67). Data for seasonal prevalence alluded to year-round presence of disease with non-significant statistical difference. Organ predilection indicated liver as the most preferred site of cyst localization followed mainly by lungs. An over-dispersion pattern was observed in all infected animals as majority of cysts belonged <10 cysts per infected host category. Highest percentage of fertile cysts was observed in liver of sheep. Interestingly, solitary form of cysts had higher fertility rate than multiple form. Amid lack of data and wide gap of knowledge, this study would try to fill up the lacunae regarding this neglected tropical disease. Extensive rearing of livestock, unregulated official slaughter and home slaughtering have played role in adaptability of E. granulosus in Pakistan.

• Journal of Chest Surgery
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• 제14권3호
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• pp.210-214
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• 1981

The bronchogenic cysts result from an abnormal budding or branching of the tracheo-bronchial tree from the primitive foregut. Bronchogenic cysts may be pulmonary or mediastinal. The most common location for a mediastinal bronchogenic cyst is in relation to the carina. They are usually solitary. They usually are thin walled and contain fluid that is most often clear. The cyst is lined by ciliated columnar epithelium. The bronchogenic cyst i~ usually asymptomatic. They can cause pressure symptoms. When they become infected, symptoms do occur. We report 3 cases of bronchogenic cysts experienced at the Department of Thoracic and Cardiovascular Surgery, Kyungpook National University Hospital. Case I, a man of 20 year-old, had a cyst at the site between aortic arch and left pulmonary artery. He complained cough and dyspnea. The cyst wasn`t communicated with tracheobronchial tree. Case II was 55-year-old male who had had hemoptysis. A huge cyst was located within the lower lobe of left lung and removed by pulmonary lobectomy. There were not any symptoms in Case III that was 6-year old girl. That cyst was located just next to the right main bronchus.

• 대한소아치과학회지
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• 제29권2호
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• pp.196-203
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• 2002

함치성 낭종은 흔한 발육성 낭종이지만 양측성 함치성 낭종은 극히 드물다. 양측성 또는 다발성 함치성 낭종은 일반적으로 다양한 syndrome과 연관된다. 본 증례는 특별한 전신질환이나 syndrome이 없이 5세 3개월에 하악 우측 제 1소구치에서, 이후 7세 6개월에 하악 좌측 제 1소구치에서 함치성 낭종이 발생하였으며, 조대술을 시행한 후, 환아의 임상적, 방사선학적 관찰 및 치료에서 다음과 같은 지견을 얻었기에 보고하는 바이다. 1. 낭종의 크기가 큰 경우의 치료 방법으로 적출술보다 조대술이 선택될 수 있다. 2. 조대술은 치아의 맹출력이 있는 연령에 발생된 함치성 낭종에서 dentoalveolar structure를 가능한 보존하고, 낭종에 이환된 치아의 맹출을 기대하는 목적으로 이용된다. 3. 양측성 또는 다발성 함치성 낭종은 다양한 syndrome과 함께 발견되는 것이 일반적이나, 본 증례는 syndrome과의 연관성 없이 하악 우측과 좌측 소구치부에서 함치성 낭종이 발생되었으며, 향후 또 발생할 가능성에 대하여 환자 및 보호자에게 사전에 알리는 것이 필요하다고 생각된다.

• 대한소아치과학회지
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• 제36권2호
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• pp.270-274
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• 2009

함치성 낭종은 일반적으로 미맹출 치아의 치관을 포함하고 있는 형태로, 치아 법랑질과 이장 상피 사이에 액체가 축적되어 생긴 잔존 법랑 상피조직의 퇴행성 변화로 부터 생긴다. 치근단 낭 다음으로 가장 흔한 치성 낭종으로, 주로 단독으로 발생하고 하악 제 3대구치와 상악 소구치에 호발한다. 악골의 다발성 낭종은 주로 기저세포 모반 증후군과 관련된 치성 각화낭이 대부분이고, 점액다당류증 또는 쇄골두개 이형성증과도 관련이 있을 수 있다. 단발성의 함치성 낭종은 우리에게 친숙할 정도로 유병율에서 치료 및 예후까지 잘 알려져 있으나, 전신병력이 없는 다발성의 함치성 낭종은 드물며, 상악과 하악에 발생한 다발성 낭종은 특히 더 드물다. 본 증례는 편측성으로 양악에 함께 발생한 다발성의 함치성 낭종을 가진 11세 소년에 대한 치료 증례로 1년간의 관찰 후 양호할만한 결과를 얻었기에 보고하는 바이다. 1년이라는 관찰 기간이 짧기 때문에 향후 지속적인 임상적, 방사선적 관찰을 필요로 하리라 사료된다.

• 대한소아치과학회지
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• 제36권3호
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• pp.489-497
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• 2009

악골에서 다수로 발생하는 낭은, 단독으로 발생하는 낭에 비해 매우 드물게 나타난다. 증후군을 동반하지는 않고, 악골 내에 다수의 낭이 발생한 경우를 다발성 악골낭 이라고 하는데, 소아에서 발생하는 다발성 악골 낭의 대부분은 각화낭성 치성종양(Keratocystic odontogenic tumor, KCOT)이다. 소아에서 나타나는 악골의 다발성 각화낭성 치성종양은, 기저세포모반증후군의 한 증상으로 발생할 수 있으므로, 악골의 방사선 사진에서 다발성 낭이 발견되면, 증후군을 의심해보고 임상 및 병리 검사를 하게 된다. 본 증례는, 다발성 악골 낭을 주소로 내원한 소아환자들로, 기저세포모반증후군을 의심하였으나 현재까지 증후군의 다른 증상들은 보이고 있지 않으며, 단지 수년간에 걸쳐서 종양의 재발과 수술을 반복하고 있는 경우이다. 악골의 다발성 낭 이외의 기저세포모반증후군의 증상들이 나타나지 않더라도, 나이가 들면 증후군의 다른 증상들이 나타난 경우의 보고도 있으므로, 소아에서 이러한 다발성 치성종양이 관찰되면, 지속적으로 방사선 및 임상 검사를 시행하여 증후군으로의 진행 여부를 관찰하는 것이 중요한 것으로 사료된다.

• Korean Journal of Otorhinolaryngology-Head and Neck Surgery
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• 제61권12호
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• pp.714-717
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• 2018

Epidermal cysts are generally benign tumors that usually originate from the skin caused by inflammation of hair cortex and proliferation of epidermal cells within the dermis; however, for these cysts to occur in the bony external auditory canal (EAC) is rare. They are often present as a solitary, painless lesion and usually asymptomatic and the diagnosis depends on the results of the histological examination. In treatment, the cyst wall must be completely removed surgically. We recently encountered a 82-year-old male with a mass in the right EAC. An otoscopic examination showed a polypoid mass on the bony EAC, which was finally diagnosed as epidermal cyst after an initial misdiagnosis as EAC carcinoma. We report the rare, unique case with literature review.