Application of 99mTc-pertechnetate scintigraphy to microvascular autologous transplantation of the submandibular gland in patients with severe keratoconjunctivitis sicca.

Application of 99mTc-pertechnetate scintigraphy to microvascular autologous transplantation of the submandibular gland in patients with severe keratoconjunctivitis sicca. Research Abstract Details 

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Application of 99mTc-pertechnetate scintigraphy to microvascular autologous transplantation of the submandibular gland in patients with severe keratoconjunctivitis sicca. Abstract Text:

Lei Zhang,Zheng-Hong Zhu,Hao-Jie Dai,Zhi-Gang Cai,Chi Mao,Xin Peng,Guang-Yan Yu,

Our objective was to evaluate the role of (99m)Tc-pertechnetate scintigraphy on microvascular autologous transplantation of the submandibular gland in patients with severe keratoconjunctivitis sicca (KCS). METHODS: (99m)Tc-Pertechnetate scintigraphy was performed on 106 patients with severe KCS. The patients were examined before surgery and at 1 wk and 3 mo afterward using a standardized protocol that included static scintigrams, time-activity curves, and delayed scintigrams to check the function and secretion of the major salivary glands. The scintigraphic findings were assessed visually. When possible, the scintigraphic findings were compared with the clinical appearance of the transplanted gland. RESULTS: The function of all 4 major salivary glands was almost completely lost in 10 patients, indicating that these patients were not suitable for transplantation. The other 96 patients were treated by autologous transplantation of the submandibular gland. In 14 patients, the function of the major salivary glands was below normal. One patient's scintigram, obtained on the second day after surgery, showed no uptake of (99m)Tc-pertechnetate in the transplanted gland. Surgical exploration showed embolism of the artery of the transplanted gland. Scintigraphy was performed 1 wk after surgery in 90 patients. There was no uptake of (99m)Tc-pertechnetate in the temporal region in 8 patients, indicating that the glands were not revascularized. Scintigraphy showed obvious uptake of (99m)Tc-pertechnetate in the temporal region of the other 82 patients, indicating that the transplanted glands were viable. At more than 3 mo after surgery, scintigraphy was again performed on 30 patients. Scintigraphy after a 120-min delay showed that (99m)Tc-pertechnetate drained into the orbit through the duct of the transplanted gland in 26 patients. However, no secretion into the orbit was found in 4 patients, indicating obstruction of the duct. CONCLUSION: Scintigraphy plays an important role in microvascular autologous transplantation of the submandibular gland in patients with severe KCS. Scintigraphy can be used to select patients and donor glands, to evaluate the viability of the graft, and to check the patency of Wharton's duct of the transplanted gland.

Application of 99mTc-pertechnetate scintigraphy to microvascular autologous transplantation of the submandibular gland in patients with severe keratoconjunctivitis sicca. Publishing Authors By Initials

L Zhang,ZH Zhu,HJ Dai,ZG Cai,C Mao,X Peng,GY Yu,

For similar surgical procedures, operative: transplantation: transplantation, autologous research abstracts see: surgical procedures, operative: transplantation: transplantation, autologous research

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Application of 99mTc-pertechnetate scintigraphy to microvascular autologous transplantation of the submandibular gland in patients with severe keratoconjunctivitis sicca. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of nuclear medicine : official publication

VOLUME: 48

Page Numbers: 1431-5

Journal Abbreviation: J. Nucl. Med.

ISSN: 0161-5505

DAY: 17

MONTH: 08

YEAR: 2007

Application of 99mTc-pertechnetate scintigraphy to microvascular autologous transplantation of the submandibular gland in patients with severe keratoconjunctivitis sicca. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 217410

Application of 99mTc-pertechnetate scintigraphy to microvascular autologous transplantation of the submandibular gland in patients with severe keratoconjunctivitis sicca. Keywords Mesh Terms:

KEYWORDS: Transplantation, Autologous

MESH TERMS: transplantation

Chemical & Substance for Abstract: Application of 99mTc-pertechnetate scintigraphy to microvascular autologous transplantation of the submandibular gland in patients with severe keratoconjunctivitis sicca. Information

Substance Name: Sodium Pertechnetate Tc 99m

Registry Number: 23288-60-0

Grant and Affiliation Information for Application of 99mTc-pertechnetate scintigraphy to microvascular autologous transplantation of the submandibular gland in patients with severe keratoconjunctivitis sicca.

AFFILIATION: Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing 100081, China.

Country: United States

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MEDLINETA: J Nucl Med

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