Clinicopathological characteristics of immunoglobulin G4-related sialadenitis.

Introduction: Immunoglobulin G4-related disease (IgG4-RD) is a newly recognized fibro-inflammatory condition. Forty-two cases with immunoglobulin G4-related sialadenitis (IgG4-RS) confirmed by histopathological and immunohistochemical assessment were studied to clarify the clinicopathologic characteristics of the salivary glands involved in IgG4-RS, especially the relationship between the histopathologic features and function of salivary glands or serum levels of IgG4.

Methods: Clinical, serologic, imaging and histopathological data of these cases were analyzed.

[Effect of litchi seed aqueous extracts on learning and memory obstacles induced by D-galactose in mice and its mechanism].

Objective: To investigate the improving effect of Litchi Seed Aqueous Extracts on learning and memory obstacles model and its mechanism.

Methods: The learning and memory obstacles model was incluced by subcutoneous injection of D-galactose (500 mg/kg) for 8 weeks. The model group and treatment groups were given huperzine A (0.

[Comparison of lateral arm flap and radial forearm flap in reconstruction after oral cancer ablation].

Objective: To compare the clinical application of lateral arm flap and radial forearm flap in reconstruction after oral cancer ablation.

Methods: The clinical data of 21 cases with lateral arm flap and 104 cases with radial forearm flap between 2007 and 2009 were reviewed. The flap harvest time, flap survival rate, donor site morbidity and postoperative oral function were compared and analyzed.

Diagnosis and treatment of congenital dilatation of Stensen's duct.

Objectives/hypothesis: This study aimed to describe the diagnosis and management of congenital dilation of Stensen's duct (CDSD) in seven cases.

Study Design: Retrospective study.

Methods: We collected data including medical records, radiology, and histopathology findings and follow-up for seven patients (four males) with CDSD.

[Functional maxillary reconstruction with free composite fibula flap].

Maxillary defects resulting from tumor resection or trauma can cause severe functional and cosmetic deformities. Maxillary reconstruction has long been a challenge for oral maxillofacial surgeons. Functional maxillary reconstruction with vascularized composite bone flap and osseointegrated implants is one of the most important improvements in head and neck reconstructive surgery.

[Reliability of superficial temporal artery and vein as the recipient vessels in free flap transfers in head and neck region].

Objective: To examine the reliability of superficial temporal artery and vein as the recipient vessels in free flap transfers in head and neck region.

Methods: From May 2001 to June 2008, 25 cases of head and neck reconstructions were performed by using the vessels in the temporal region as recipient vessels.

Results: Among the 25 recipient veins, 23 were superficial temporal veins, and 2 were deep temporal veins.

[125I seed implant brachytherapy of recurrent parotid gland malignant tumor].

Objective: To investigate the efficacy of radioactive seeds for the treatment of recurrence malignant parotid gland tumors.

Methods: Thirty-three patients with recurrence malignant parotid gland tumor treated by radioactive seeds were retrospectively reviewed. Three patients received implanted radioactive seeds alone.

[Reliability of skin paddle in monitoring blood flow after free fibular osteocutaneous composite flap transfer].

Objective: To evaluate the reliability of skin paddle in monitoring blood flow after free fibular osteocutaneous composite flap transfer.

Methods: Seven hundred and fourteen consecutive cases of mandibular or maxillary reconstruction using free fibular flap from May 1999 to September 2007 were reviewed. The cases with postoperative vessel thrombosis were analyzed.

[Reliability of residual internal jugular vein as the receipt vein in free flap transfer in head and neck region].

Objective: To analyze the reliability of residual internal jugular vein as the receipt vein in free flap transfer in head and neck region.

Methods: Sixteen cases of head and neck reconstruction using the end-to-side anastomosis to the residual internal jugular vein were reviewed.

Results: There were 11 radial forearm flaps, 3 fibular flaps, one jejunal flap, and one abdominis myocutaneous flap.

[Influence of prior radiotherapy on free tissue transfer in head and neck region].

Objective: To analyze the influence of prior radiotherapy on free tissue transfer in head and neck region.

Methods: One thousand and sixty-six consecutive free flap transfers performed in 1007 patients in head and neck region from May 1999 to March 2005 were reviewed. Among the 1007 cases, 146 had a history of prior radiotherapy (radiation group), and the other 896 without prior radiotherapy (non-radiation group).

[168 cases of free flap transplantation with double vein anastomoses for reconstruction of head and neck defects].

Objective: To evaluate the reliability and effectiveness of free flap transfer with double vein anastomosis for reconstruction of head and neck defects.

Methods: One hundred and sixty-eight cases of free flap transfers with double vein anastomosis for head and neck reconstruction from September 1999 to April 2003 were reviewed. There were 92 males and 76 females.

[Development of a predicting model of survival rates for patients with salivary adenoid cystic carcinoma].

Objective: To establish a predicting model of survival rates and to evaluate the weighted contributions of each key prognostic factor of the patients with salivary adenoid cystic carcinoma (SACC).

Methods: One hundred and eighteen follow-up cases with SACC were analyzed for the survival study with retrospective cohort method. Ten possible clinical and pathologic factors were selected.

[The impacts of various types of neck dissection on postoperative shoulder function for patients with oral squamous cell carcinoma].

Objective: To compare the impact of various types of neck dissection on postoperative shoulder function.

Methods: The shoulder functions of 66 patients with oral squamous cell carcinoma (OSCC) and cN0 necks who underwent various types of neck dissection were evaluated by Constant's shoulder function test and neck dissection impairment index at least 12 months after surgery.

Results: The patients with accessory spinal nerve reserved had better shoulder function than those with accessory spinal nerve resected.

[Analysis on occult micrometastasis in levels III - IV of cN0 neck in patients with oral tongue squamous cell carcinoma].

Objective: To investigate the frequency of micrometastasis in levels lII - IV of clinical negative neck (cN0) in patients with squamous cell carcinoma (SCC) of oral tongue, and to discuss the management of cervical lymph node for cN0 tongue SCC.

Methods: A total of 471 cervical lymph nodes derived from 25 patients with cN0 tongue SCC, including 263 lymph nodes in level III and 208 lymph nodes in level IV, were included in this study. All lymph nodes were re-examined by anti-cytokeratin (CK) immunohistochemical staining combined with semi-serial section per 500 microm.

[Combined free flap and pedicled pectoralis major myocutaneous flap in reconstruction of extensive composite defects in head and neck region: a review of 9 consecutive cases].

Objective: To analyze the value and reliability of combined free flap and pedicled pectoralis major myocutaneous flap in the reconstruction of extensive composite head and neck defects.

Methods: Nine consecutive cases of combined free flap and pedicled pectoralis major myocutaneous flap transfers for extensive head and neck defects from March 2002 to April 2005 were reviewed. Data concerning the operation included defect description, type of free flap, recipient vessel and complications.

Pre-mental foramen mandibulotomy for resecting tumors of tongue base and parapharyngeal space.

Background: Resection of tumors arising from the tongue base and the parapharyngeal space is difficult for exposure and manipulation because of their obscure location. The aim of this study was to evaluate the surgical approach of the pre-mental foramen mandibulotomy for resecting the tumors of tongue base and parapharyngeal space.

Methods: Fifty-one patients with tumors of tongue base and parapharyngeal space were treated using the mandibulotomy approach on the pre-mental foramen.

[Postoperative vessel thrombosis and its management after free flap transfers in head and neck region].

Objective: To analyze the rate of postoperative vessel thrombosis and its management after free tissue transfers in head and neck region.

Methods: Eight hundred and forty-nine consecutive free flap transfers were performed from May 1999 to September 2004. Among them, the flaps with postoperative vessel thrombosis were selected and reviewed.

Maxillary reconstruction with the free fibula flap.

Background: The objective of this study was to evaluate the outcomes of using the free fibula flap in the reconstruction of maxillary defects.

Methods: Thirty-four consecutive cases of maxillary reconstruction with the free fibula flap were reviewed. All clinical data were analyzed, including primary diseases, types of maxillary defect, free fibula flap design, perioperative complications, and follow-up results.

[Analysis of 30 consecutive free flap transplantation for head and neck reconstruction in paediatric patients].

Objective: To analyze the reliability and feasibility of free flap transfer for head and neck reconstruction in the paediatric patients.

Methods: Thirty consecutive free flap transfer performed in 28 patients younger than 15 years-old were reviewed. Data concerning the operation included date of surgery, defect description and site, stage and histology of tumor, flap type, recipient vessel and complications.

[Simultaneous double free flap transfer for extensive defects in head and neck region: a review of 33 consecutive cases].

Objective: To analyze the rationale and feasibility of double free flap transfers for reconstruction of extensive head and neck defects.

Methods: Thirty-three consecutive cases of double free flap transfers for extensive head and neck defects from March 2000 to January 2002 were reviewed. Data concerning the operation included date of surgery, defect description and site, choice and combination of flap, recipient vessel and complications.

[A review of 545 consecutive free flap transfers for head and neck reconstruction in a new microsurgery unit].

Objective: To analyze the value of free flap transfers in head and neck reconstruction.

Methods: Five hundred and forty-five consecutive free flap transfers performed in 507 patients from May 1999 to September 2002 were reviewed. Data concerning the operation included date of surgery, defect description and site, stage and histology of tumor, flap type, recipient vessel and complications.