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Article: [Focus on application of dermabrasion in the treatment of deep partial-thickness burn wound at early stage].

Wang, D C / Zhao, R

Zhonghua shao shang za zhi = Zhonghua shaoshang zazhi = Chinese journal of burns

2020 Volume 36, Issue 6, Page(s) 506–509

Abstract: There are several advantages in using dermabrasion to treat burn wound of deep-partial thickness at early stage, including accurate positioning, little damage to normal tissue, partial-damaged tissue preservation, easy to operate, no limited by burn ... ...

Abstract	There are several advantages in using dermabrasion to treat burn wound of deep-partial thickness at early stage, including accurate positioning, little damage to normal tissue, partial-damaged tissue preservation, easy to operate, no limited by burn wound location and area, fast wound healing, short hospital-stay, less hospitalization cost, slight scarring, wide indications, etc. It is of important clinical value for the treatment of deep partial-thickness burn wound at early stage.
MeSH term(s)	Burns ; Cicatrix ; Dermabrasion ; Humans ; Skin Transplantation ; Wound Healing
Language	Chinese
Publishing date	2020-06-27
Publishing country	China
Document type	Journal Article
ZDB-ID	2229222-6
ISSN	1009-2587
ISSN	1009-2587
DOI	10.3760/cma.j.cn501120-20190115-00007
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Article: [Plunging ranula presenting as a giant retroauricular mass: A case report].

Yang, J / Zhang, R / Liu, Y N / Wang, D C

Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences

2020 Volume 52, Issue 1, Page(s) 193–195

Abstract: Plunging ranula is rare and manifests as the submandibular or submental cystic mass, without intra-oral abnormality. It usually causes misdiagnosis and malpractice. This article reported a case of plunging ranula that appeared as a massive mass located ... ...

Abstract	Plunging ranula is rare and manifests as the submandibular or submental cystic mass, without intra-oral abnormality. It usually causes misdiagnosis and malpractice. This article reported a case of plunging ranula that appeared as a massive mass located behind the left ear. A 6-year-old child presented with recurrent left retroauricular swelling over six months without obvious inducement. The mass showed repeatedly swelling and persistent skin ulcers. Physical examinations described a fluctuant, nontender mass behind the left ear whose size was about 5 cm×5 cm×3 cm. The skin upon the surface of the mass was thin and red, and overflowed yellow slimelike contents. Computed tomography (CT) showed an extensive cystic lesion in the left neck. After local incision and drainage the mass was shrink. With the primary clinical diagnosis of branchial cyst, the patient underwent mass resection through postauricular incision. During the operation, the fistula was traced to the area around the sublingual gland, and the postoperative pathology report demonstrated cystic spaces occurring in soft tissue without lymphoid tissue. One month postoperatively, the patient presented the "egg-white", wire-drawing transparent viscous fluid outflowing from the left external auditory canal, indicating that the fluid in the external auditory canal originated from the sublingual gland and the disease was the plunging ranula presenting as a giant left retroauricular mass. We readmitted the patient to the hospital and the ipsilateral sublingual gland was completely removed in the mouth under general anesthesia. No clinical evidence of recurrence was found at the end of 9 months follow-up. So far, there is no literature reporting plunging ranula behind ear. This case report describes the clinical manifestation, diagnosis, and differential diagnosis and treatment of a case of plunging ranula, and reveals that, other than the submandibular or submental, plunging ranula also could be found in retroauricular region. The plunging ranula is difficult to fully confirm through a clinical character, and usually easy to be misdiagnosed as other tumors, like lymphatic malformation, venous malformations, etc. Radiographic examination and/or puncture fluid observation are required for identification. "Egg-white", wire-drawing mucous secretion is the most important characteristic in clinical diagnosis of sublingual gland cyst. However, if sublingual gland resection, i.e. removal of the source of cyst fluid is performed, a good prognosis can be achieved.
MeSH term(s)	Child ; Humans ; Neoplasm Recurrence, Local ; Ranula ; Salivary Gland Diseases ; Sublingual Gland ; Tomography, X-Ray Computed
Language	Chinese
Publishing date	2020-03-02
Publishing country	China
Document type	Case Reports ; Journal Article
ZDB-ID	2452593-5
ISSN	1671-167X
ISSN	1671-167X
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Article: [Delayed diagnosis of oral squamous cell neoplasms at different sites].

Xu, T / Wang, D C / Shan, X F / Cai, Z G

Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences

2019 Volume 51, Issue 4, Page(s) 748–752

Abstract: Objective: To investigate the diagnostic delay of patients with oral squamous cell carcinoma by self-designed questionnaire to find out the significant influencing factors, so as to identify the influencing factors of the patient's delay and the risk of ...

Abstract	Objective: To investigate the diagnostic delay of patients with oral squamous cell carcinoma by self-designed questionnaire to find out the significant influencing factors, so as to identify the influencing factors of the patient's delay and the risk of oral cancer. Methods: A total of 514 patients with primary oral squamous cell carcinoma were enrolled at Peking University School and Hospital of Stomatology from January 2014 to April 2016, including 334 men and 180 women, with a male to female ratio of 1.85:1. The youngest participant was 21 years old, with a maximum of 89 years and a median age of 57.6 years. The position of the disease according to International Classification of Diseases-10 (ICD-10) was divided into lip, buccal, gingival, retromolar, palate, floor of the mouth, tongue, and oropharynx. The age group is divided into 10 years. The level of education was divided into illiteracy, primary education level and advanced education level. Body mass index (BMI) was divided into three levels by 18 kg/m Results: Among all patients, the proportion of patients developed in the tongue was the highest (43.3%). Delay was defined by a span of three months or longer from the onset of symptoms until treatment. The delays to diagnosis according to location were as follows (in months and in descending order): lip (6.1 months), buccal (4.1 months), floor of the mouth (3.9 months), tongue (3.6 months), oropharyngeal (2.9 months), retromolar (2.7 months), palatine (2.4 months), and gingival (2.4 months). Different sites and delayed diagnosis were statistically significant (P=0.048). There were no statistically significant differences in gender, education, pain, smoking, drinking and VAS score. Conclusion: The study has found that tumor positions and delay have a significant correlation. The position of the tumor is an obvious factor associated with the findings. The lip is the most likely to delay the diagnosis of oral positions. For the lip of the lesion, more than three months' obvious mass is recommended for timely treatment, while at admission, physicians should take the appropriate diagnostic method as soon as possible.
MeSH term(s)	Adult ; Carcinoma, Squamous Cell/diagnosis ; Delayed Diagnosis ; Female ; Humans ; Male ; Middle Aged ; Mouth Neoplasms/diagnosis ; Smoking ; Tongue ; Young Adult
Language	Chinese
Publishing date	2019-08-14
Publishing country	China
Document type	Journal Article
ZDB-ID	2452593-5
ISSN	1671-167X
ISSN	1671-167X
DOI	10.19723/j.issn.1671-167X.2019.04.027
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Article: [Diagnostic test for detection of cervical lymph node metastasis from oral squamous cell carcinoma via infrared thermal imaging].

Tao, C Sb / Dong, F / Wang, D C / Guo, C B

Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences

2019 Volume 51, Issue 5, Page(s) 959–963

Abstract: Objective: To evaluate the diagnostic performance of a non-invasive, non-radiating, economical and convenient infrared thermal imaging in the detection of oral squamous cell carcinoma (OSCC) cervical lymph node metastasis, and evaluate its applicability ...

Abstract	Objective: To evaluate the diagnostic performance of a non-invasive, non-radiating, economical and convenient infrared thermal imaging in the detection of oral squamous cell carcinoma (OSCC) cervical lymph node metastasis, and evaluate its applicability via parallel test and series test. Methods: This study was a prospective clinical study which passed the ethical review by the Biomedical Ethics Committee, Hospital of Stomatology, Peking University, and had been submitted for clinical trial registration. Totally 74 OSCC patients who were to undergo a neck dissection were included in this study. The inclusion criteria were patients who: (1) were pathologically diagnosed as malignant tumors and planned to undergo surgical treatment including neck dissection; (2) agreed to participate in this study. The exclusion criteria were those who: (1) had undergone surgeries at head and neck previously; (2) with a history of systemic tumor adjuvant therapies such as radiotherapy or chemotherapy etc; (3) were unwilling or unable to cooperate. Basal information as well as clinical examination results were collected, such as physical examination and contradictive enhanced CT. Besides, infrared thermal imaging was done ahead of surgery. Analysis of the diagnostic power of infrared thermal imaging followed the principles of diagnostic test. The positive signs of infrared thermal imaging were: (1) asymmetric thermographic pattern including vascular pattern in ROI; (2) thickening image of unilateral facial artery/vein, submental artery/vein or external carotid artery; (3) surface temperature of ROI raised over 1 °C compared with the opposite side; (4) changes of neck profile with abnormal temperature pattern. The gold standard of this diagnostic test was pathology diagnosis of cervical lymph nodes. Results: The sensitivity of infrared thermal imaging was 75.0%, while the specificity was 69.0%, accuracy was 71.6%, positive predictive value was 64.9% and negative predictive value was 78.4%. The sensitivity of parallel test which stood for the combination of infrared thermal imaging and conventional clinical examinations was 87.9% while the specificity of series test was 97.6%. Conclusion: Infrared thermal imaging is a promising non-invasive, non-radiating and economical tool in the detection of cervical lymph node metastasis from OSCC when combined with conventional pre-operative examination.
MeSH term(s)	Carcinoma, Squamous Cell/diagnostic imaging ; Diagnostic Tests, Routine ; Head and Neck Neoplasms ; Humans ; Infrared Rays ; Lymph Nodes ; Mouth Neoplasms/diagnostic imaging ; Prospective Studies ; Sensitivity and Specificity
Language	Chinese
Publishing date	2019-10-17
Publishing country	China
Document type	Journal Article
ZDB-ID	2452593-5
ISSN	1671-167X
ISSN	1671-167X
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: [Optic neuritis induced by Dasatinib in patients with Ph(+) acute lymphoblastic leukemia: a case report].

Fu, L / Shen, L / Bian, J J / Li, L / Su, Y X / Zuo, J M / Meng, M L / Lu, Y / Ge, S Y / Wang, D C

Zhonghua xue ye xue za zhi = Zhonghua xueyexue zazhi

2023 Volume 44, Issue 7, Page(s) 608

MeSH term(s)	Humans ; Dasatinib/adverse effects ; Acute Disease ; Optic Neuritis ; Precursor Cell Lymphoblastic Leukemia-Lymphoma/drug therapy
Chemical Substances	Dasatinib (RBZ1571X5H)
Language	Chinese
Publishing date	2023-09-25
Publishing country	China
Document type	Case Reports ; Journal Article
ZDB-ID	2997162-7
ISSN	0253-2727 ; 0253-2727
ISSN (online)	0253-2727
ISSN	0253-2727
DOI	10.3760/cma.j.issn.0253-2727.2023.07.019
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Article ; Online: Comparative Study on Temperature Response of Hydropower Development in the Dry-Hot Valley.

Wang, D C / Zhang, X / Huang, Y / Wang, X / Zhang, W / Cao, Z J / Xin, Y / Qu, M

GeoHealth

2021 Volume 5, Issue 7, Page(s) e2021GH000438

Abstract: Due to the specific hydrothermal conditions of dry-hot valleys, temperature changes caused by the development of large-scale hydropower projects may be more extreme than they are in other regions. In this study, we analyzed these temperature changes at ... ...

Abstract	Due to the specific hydrothermal conditions of dry-hot valleys, temperature changes caused by the development of large-scale hydropower projects may be more extreme than they are in other regions. In this study, we analyzed these temperature changes at four hydropower stations in both dry-hot and non-dry-hot valleys. Based on the calculated relative temperatures of the downstream river and the areas surrounding the reservoirs, we employed two indices to quantify the influence of the reservoirs on the temperatures of these two regions: the downstream river temperature change and the reservoir effect change intensity. Our results are as follows: (a) In the downstream rivers, the temperature regulation effect was more pronounced in the wet season; in the regions surrounding the reservoirs, the temperature regulation effect was more pronounced in the dry season. (b) The downstream river temperature in both the dry-hot and wet-hot valleys exhibited noticeable warming in both the wet and dry seasons, while the cold-dry valley was characterized by cooling in the dry season and warming in the wet season. With the exception of the Liyuan station (where the influence of the reservoir on the downstream temperatures only extended to a distance of 9 km from the dam) during the dry season, the existence of the hydropower stations affected the temperatures of the entire downstream region. (c) For the areas surrounding the reservoir, the presence of a hydropower station mainly caused the temperatures in the dry-hot valleys to rise and the temperatures in the non-dry-hot valleys to decrease.
Language	English
Publishing date	2021-07-01
Publishing country	United States
Document type	Journal Article
ISSN	2471-1403
ISSN (online)	2471-1403
DOI	10.1029/2021GH000438
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Article: [Evaluation of the preliminary clinical effect of flap-raising combined with cortical-perforation technique in tooth extraction cases of patients with potential risk of medication-related osteonecrosis of the jaw].

Guo, Y X / Wang, D C / Liu, X J / Wang, E B / An, J G / Peng, X / Guo, C B

Zhonghua kou qiang yi xue za zhi = Zhonghua kouqiang yixue zazhi = Chinese journal of stomatology

2021 Volume 56, Issue 5, Page(s) 452–457

Abstract: Objective: ...

Abstract	Objective:
MeSH term(s)	Adult ; Aged ; Aged, 80 and over ; Bisphosphonate-Associated Osteonecrosis of the Jaw ; Bone Density Conservation Agents ; Diphosphonates ; Female ; Humans ; Male ; Middle Aged ; Persistent Infection ; Retrospective Studies ; Tooth Extraction
Chemical Substances	Bone Density Conservation Agents ; Diphosphonates
Language	Chinese
Publishing date	2021-04-29
Publishing country	China
Document type	Journal Article
ZDB-ID	1027950-7
ISSN	1002-0098
ISSN	1002-0098
DOI	10.3760/cma.j.cn112144-20210104-00003
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Article: [Analysis of M2 macrophage infiltration and its clinical significance in 44 patients with multiple primary cancers of the head and neck].

Wang, L / Lu, H / Yuan, R S / Wang, M / Xu, L / Wang, D C / Guo, C B

Zhonghua kou qiang yi xue za zhi = Zhonghua kouqiang yixue zazhi = Chinese journal of stomatology

2021 Volume 56, Issue 11, Page(s) 1066–1073

Abstract: Objective: ...

Abstract	Objective:
MeSH term(s)	Female ; Head and Neck Neoplasms ; Humans ; Macrophages ; Male ; Neoplasms, Multiple Primary ; Prognosis ; Retrospective Studies ; Squamous Cell Carcinoma of Head and Neck
Language	Chinese
Publishing date	2021-11-11
Publishing country	China
Document type	Journal Article
ZDB-ID	1027950-7
ISSN	1002-0098
ISSN	1002-0098
DOI	10.3760/cma.j.cn112144-20210709-00320
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Article ; Online: Surgical resection of clinically benign tumours in the maxillomandibular deep lobe of the parotid gland via sternocleidomastoid muscle-parotid space approach.

Wang, D-C / Sun, Z-P / Peng, X / Zhao, Y-D / Ni, C-L / Mao, C / Guo, Y-X / Guo, C-B

International journal of oral and maxillofacial surgery

2021 Volume 50, Issue 8, Page(s) 1012–1018

Abstract: This article reports the surgical resection of clinically benign tumours in the maxillomandibular deep lobe of the parotid gland via sternocleidomastoid muscle-parotid space (SPS) approach. The use of maxillary-mandibular planes to subdivide the deep ... ...

Abstract	This article reports the surgical resection of clinically benign tumours in the maxillomandibular deep lobe of the parotid gland via sternocleidomastoid muscle-parotid space (SPS) approach. The use of maxillary-mandibular planes to subdivide the deep lobe of the parotid gland in order to establish the tumour location and accessibility is introduced. This approach, which does not raise a skin flap, may preserve the superficial lobe. Ten patients with clinically benign tumours in the maxillomandibular deep lobe of the parotid gland were treated via the SPS approach. The patients were followed up for 3-5 years and the surgical outcomes were analysed. All tumours were completely enucleated via the SPS approach with an optimal aesthetic outcome. No permanent facial weakness or tumour recurrence was identified during the 3-5 years of follow-up. The SPS approach to surgical resection is an ideal option for clinically benign tumours in the maxillomandibular deep lobe of the parotid gland and demonstrates good results.
MeSH term(s)	Esthetics, Dental ; Humans ; Neck Muscles/diagnostic imaging ; Neck Muscles/surgery ; Neoplasm Recurrence, Local ; Parotid Gland ; Parotid Neoplasms/diagnostic imaging ; Parotid Neoplasms/surgery ; Postoperative Complications ; Retrospective Studies
Language	English
Publishing date	2021-01-16
Publishing country	Denmark
Document type	Journal Article
ZDB-ID	353721-3
ISSN	1399-0020 ; 0901-5027
ISSN (online)	1399-0020
ISSN	0901-5027
DOI	10.1016/j.ijom.2020.11.005
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Article: DECA: A Discrete-Valued Data Clustering Algorithm.

Wong, A K / Wang, D C

IEEE transactions on pattern analysis and machine intelligence

2011 Volume 1, Issue 4, Page(s) 342–349

Abstract: This paper presents a new clustering algorithm for analyzing unordered discrete-valued data. This algorithm consists of a cluster initiation phase and a sample regrouping phase. The first phase is based on a data-directed valley detection process ... ...

Abstract	This paper presents a new clustering algorithm for analyzing unordered discrete-valued data. This algorithm consists of a cluster initiation phase and a sample regrouping phase. The first phase is based on a data-directed valley detection process utilizing the optimal second-order product approximation of high-order discrete probability distribution, together with a distance measure for discrete-valued data. As for the second phase, it involves the iterative application of the Bayes' decision rule based on subgroup discrete distributions. Since probability is used as its major decision criterion, the proposed method minimizes the disadvantages of yielding solutions sensitive to the arbitrary distance measure adopted. The performance of the proposed algorithm is evaluated by applying it to four different sets of simulated data and a set of clinical data. For performance comparison, the decision-directed algorithm [11] is also applied to the same set of data. These evaluation experiments fully demonstrate the validity and the operational feasibility of the proposed algorithm and its superiority as compared to the decision-directed algorithm.
Language	English
Publishing date	2011-08-19
Publishing country	United States
Document type	Journal Article
ISSN	0162-8828
ISSN	0162-8828
DOI	10.1109/tpami.1979.4766942
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