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1.
Article in English | WPRIM | ID: wpr-999522

ABSTRACT

Background@#Midfacial fractures frequently involve the maxillary sinus, leading to maxillary sinus pathology. We aimed to examine the incidence and contributing factors of maxillary sinus pathology in patients who underwent open reduction and internal fixation (ORIF) for midfacial fractures. @*Methods@#A retrospective analysis was conducted on patients who underwent ORIF for midfacial fractures at our department over the past 10 years. The incidence of maxillary sinus pathology was identified clinically and/or by computed tomography findings. Factors that significantly influenced the groups with and without maxillary sinus pathology were examined. @*Results@#The incidence of maxillary sinus pathology in patients who underwent ORIF for midfacial fractures was found to be 11.27%, with sinusitis being the most common pathology. Maxillary sinus pathology was significantly associated with the presence of a blowout fracture involving both the medial and the inferior orbital walls. Factors such as sex, age, diabetes mellitus, hypertension, smoking, inflammatory disease, follow-up period, use of absorbable plates, and use of titanium plates did not have a significant impact on the development of maxillary sinus pathology. @*Conclusion@#The incidence of maxillary sinus pathology in patients who underwent ORIF for midfacial fractures was relatively low, and in most cases, it resolved without the need for specific treatment. Consequently, there may not be a significant need for concern regarding postoperative maxillary sinus pathology.

2.
Article in English | WPRIM | ID: wpr-999530

ABSTRACT

Solitary fibrous tumor (SFT) is an infrequently occurring neoplasm most commonly observed in the pleura, but it can develop in the head and neck region in occasional cases. However, no reports have described SFT in the temporalis muscle. Herein, we present the first known case of SFT in the temporalis muscle. A 47-year-old man complained of a painless palpable mass on his right temple. Facial enhanced computed tomography identified a 4.0× 2.9× 1.4 cm mass presenting as a vascular tumor in the right temporalis muscle under the zygomatic arch. The mass was excised from the right temporalis muscle under general anesthesia. A histopathologic examination revealed that the mass was an SFT. No complications occurred after surgery, including functional disability or sensory loss. The patient was followed up for 3 months without complications. Although SFT in extrapulmonary regions is rare, it should be considered in the differential diagnosis of masses that occur in the temporal area.

3.
Article in Korean | WPRIM | ID: wpr-217580

ABSTRACT

The exact mechanism of regression of retinal neovasculari- zation was not proven yet, although panretinal photocoagu- lation and cryotherapy have been used in treatment of retinal neovascularization. Recent studies show that TGF-betaexpression after panretinal photocoagulation has relation with suppression in retinal neovascularization. We pretreat 15 eyes of rabbits with cryotherapy. Five rabbits each were killed on the day of 1,3 and 7. We measured the quantity of TGF-beta1 in vitreous of the pretreatment group and compaired with untreated eyes. The quantity of TGF-beta1 in pretreat- ment group was higher than that of the control group. There was an increase of TGF-beta1 from the first day through the third day, and a decrease on the seventh day. The value of TGF-beta1 in the pretreatment group on the third day was sig-nificantly different from that in the control (p=0.0196). We conclude that TGF-beta1 expression after cryotherpy has relation with suppression in retinal neovascularization from these results.


Subject(s)
Rabbits , Cryotherapy , Light Coagulation , Retinal Neovascularization , Retinaldehyde , Transforming Growth Factor beta1
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