• The Journal of the Korea Contents Association
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• v.21 no.3
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• pp.634-644
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• 2021

Despite the increased social demand for strengthening the punishment for ghost surgery in Korea, the governmental management is very passive compared to other offenses of medical law, and the punishment for ghost surgery is insufficient, so that medical malpractices are continuously occurring. A plastic surgeon who posted the names of clinics performing ghost surgery and the number of deaths on the internet bulletin board, was charged with the violation of the Information Telecommunication Act(defamation). Thus, this study aimed to present the legal/institutional issues and implications of defamation by the release of ghost surgery, by initially examining the charged case after posting the contents showing the death of patients by ghost surgery in clinics on the internet bulletin board. This study aimed to understand how strictly the court approached the ghost surgery in the aspect of public interest, and also to understand the judgment standard of punishment for defamation by investigating the publicly alleging facts and public interest by the disclosure of ghost surgery. Moreover, this study aims to provide the basic data necessary for guaranteeing the national health right by arousing attention to ghost surgery.

• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• v.30 no.3
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• pp.218-222
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• 2004

The neoplastic variant of calcifying odontogenic cyst has various designation, and its malignant counterpart has been reported as aggressive epithelial ghost cell tumor or odontogenic ghost cell carcinoma. Odontogenic ghost cell carcinoma(OGCC) is a rare carcinoma first documented in 1985. It is composed of varying sized islands of anucleated cells with homogenous, pale eosinophilic cytoplasm, so called ghost cells, were admixed with nucleated cells. We report a case of maxillary OGCC developed from odontogenic epithelial tumor in a 25-year-old man with literature review.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.35 no.1
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• pp.66-71
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• 2013

Dentinogenic ghost cell tumor (DGCT) is a rare epithelial odontogenic neoplasm, representing 1.9% to 2.1% of all odontogenic tumors. It is the neoplastic counterpart of the calcifying odontogenic cyst (COC), and characteristic islands of odontogenic epithelical cells contain numerous ghost cells and dysplastic dentin, and also have many common histological features with ameloblastoma. The 2005 World Health Organization (WHO) Classification of Odontogenic Tumours re-named this entity as calcifying cystic odontogenic tumor (CCOT) and defined the clinico-pathological features of the ghost cell odontogenic tumours, CCOT, DGCT and ghost cell odontogenic carcinoma (GCOC). We report a rare case of central DGCT in the posterior maxilla of a 31-year-old female with literature review, for the emphasis of Oral and Maxillofacial surgeon's role.

• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• v.43 no.6
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• pp.415-422
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• 2017

Calcifying cystic odontogenic tumor (CCOT) is defined as an odontogenic cyst-like benign neoplasm that characteristically contains several ghost cells, ameloblastoma-like epithelium, and occasional calcification. Ghost cell odontogenic carcinoma (GCOC), a malignant form of CCOT, is an exceptionally rare malignant tumor. In this report, we present a case of a 53-year-old man whose chief complaint was a solitary mass on the right mandible area. The mass was completely removed through an extraoral surgical approach and reconstructive surgery was performed in two phases.

• The Korean Society of Law and Medicine
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• v.16 no.2
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• pp.27-53
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• 2015

Recently, a plastic surgery hospital in Seoul, has been raided following suspicions that ghost surgery was performed by an unauthorized substitute surgeon on a chinese woman who lapsed into a death. Following the incident, an organization to eradicate ghost surgery was created in March by Consumers Korea, founded to protect consumer rights, and the Korea Alliance of Patients Organization. The organization has received reports of illegal medical practices. To substitute another physician without the patient's consent and without his knowledge of the substitution is fraud and deceit and a violation of a basic ethical concept. The patient as a human being is entitled to choose his own physician and he should be permitted to acquiesce in or refuse to accept the substitution. It should be noted that it is the operating surgeon to whom the patient grants his consent to perform the operation. The patient is entitled to the services of the particular surgeon with whom he contracts. The surgeon, in accepting the patient, obligates himself to utilize his personal talents in the performance of the operation to the extent required by the agreement creating the physician-patient relationship. He cannot properly delegate to another the duties which the patient authorizes him to perform personally. 'Ghost surgery' comes under Article 257(Inflicting Bodily Injury on Other or on Lineal Ascendant) of the Criminal Code. Substitution another physician without the patient's consent and without his knowledge of the substitution shall be performed Inflicting Bodily Injury. This is a controversial issue that'ghost surgery' comes under Article 347(Fraud) of the Criminal Code. It maybe controversial that operation substituted by another physician without the patient's consent and without his knowledge of the substitution becomes the component of Fraud. Also, Ghost surgery' comes under Article 27 (Prohibition of Unlicensed Medical Practice, etc.), Article 22 (Medical Records, etc.), Article 33 (Establishment) of the Medical Service Act. The surgeon's obligation to the patient requires him to perform the surgical operation: (1) within the scope of authority granted him by the consent to the operation; (2) in accordance with the terms of the contractual relationship; (3) with complete disclosure of all facts relevant to the need and the performance of the operation; and (4) to utilize his best skill in performing the operation.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.30 no.6
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• pp.599-603
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• 2008

Calcifying odontogenic cyst(COC) is comparatively rare in occurrence. COC represents about 1% of jaw cysts, and although it may occur in soft tissue, it is most commonly found within bone. Both the intraosseous and extraosseous forms occur with about equal frequency in the maxilla and mandible, mainly in the incisor and canine areas The most notable features of this pathologic entity are histopathological and include a cyst lining demonstrating characteristic "ghost" epithelial cells with a propensity to calcify and the occasional association of this finding with certain odontogenic tumors including the odontoma and the ameloblastoma. In this case, COC was associated with anterior wall of the maxillary sinus which appeared in the anterior maxilla of 64-year-old woman, was reported. We report that the clinical experience of COC with review of literatures.

• Archives of Plastic Surgery
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• v.43 no.4
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• pp.309-310
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• 2016

• Imaging Science in Dentistry
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• v.51 no.2
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• pp.203-208
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• 2021

Ghost cell odontogenic carcinoma (GCOC) is a rare malignant neoplasm characterized by the presence of ghost cells. It is considered to originate from either a calcifying odontogenic cyst(COC) or a dentinogenic ghost cell tumor(DGCT). Its clinical and radiographic characteristics are non-specific, including slow growth, locally aggressive behavior, and eventual metastasis. This case report describes a 43-year-old Thai man with plain radiographs and cone-beam computed tomographic images revealing a unilocular radiolucency with non-corticated borders surrounding an impacted left canine associated with radiopaque foci around the cusp tip. Based on the microscopic findings, the lesion was diagnosed as GCOC. Partial maxillectomy of the right maxilla was performed, and radiotherapy was administered. An obturator was made to support masticatory functions Three years later, the lesion showed complete bone remodeling and no signs of recurrence, and long-term follow-up was done regularly.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.15 no.2
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• pp.105-112
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• 1993

A case of calcifying odontogenic cyst associated with an unerupted tooth which appeared in the left maxillary sinus of a 16-year-old woman, was reported. Clinical examination revealed painless swelling on the left maxillary posterior region and the cheek. Radiographically, this lesion showed a monolocular radiolucent shadow with calcified materials and unerupted maxillary second premolar. Histological examination revealed cystic structure with presence of the ghost cells, calcified tissue and unerupted tooth. This lesion was classified as Type IB of COC according to classification of the Praetorius. After surgical removal of the cyst, the wound healed uneventfully and the lesion is now free of symptoms.

• Archives of Craniofacial Surgery
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• v.19 no.4
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• pp.283-286
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• 2018

Malignant pilomatricoma (pilomatrical carcinoma) is a rare, locally occurring malignant tumor with a high rate of recurrence in the case of incomplete excision. This tumor has two characteristics. First, recurrences of pilomatrical carcinoma are common; second, distant metastasis is rare, but if it occurs, it is very fatal. It has characteristic features of high mitotic counts, cellular atypia, and local invasion. Although fine needle aspiration and excisional biopsy could help to confirm this tumor diagnosis, pathologic findings are critical. Pilomatricomas have some characteristic features in histological aspect, such as epithelial islands of basaloid cells and shadow cells or ghost cell. Also, various types of immunohistochemical staining are used to confirm the diagnosis. Despite the lack of clear surgical criteria, treatment is a wide local excision with histologically clear resection margins with or without adjuvant radiotherapy.