Background:To correct mild and moderate congenital ptosis,traditional surgical techniques usually include dissection of the Müller’s muscle.Meanwhile,both the levator palpebrae superioris and the Müller’s ...Background:To correct mild and moderate congenital ptosis,traditional surgical techniques usually include dissection of the Müller’s muscle.Meanwhile,both the levator palpebrae superioris and the Müller’s muscle play a synergistic role to elevate the upper eyelid.Thus,to protect the Müller muscle and minimize injury,we developed and applied a levator imbrication technique in patients with mild and moderate congenital ptosis and followed it up to evaluate its clinical efficacy.Methods:This retrospective case series included 53 patients with mild and moderate congenital ptosis,all of whom had undergone ptosis correction using the levator imbrication technique at the Plastic and Aesthetic Department of the Second Affiliated Hospital of Zhengzhou University between June 2018 and June 2020.The outcomes of correction,upper eyelid appearance,and operative complications were observed and analyzed.The postoperative follow-up was 3–12 months.Results:Fifty cases of ptosis were fully corrected,and the bilateral double eyelids were smooth and natural.The eyelids of 20 patients were incompletely closed immediately after the operation but were able to close spontaneously within 2 weeks.No serious complications such as exposure keratitis were reported.Three patients with undercorrection underwent reoperation 3 months after the first operation,and ptosis was corrected.Conclusion:The levator imbrication technique for mild and moderate congenital ptosis is simple to perform and shortens the operation time with less damage,stable postoperative outcomes,and no long-term complications.展开更多
Background:Dermatofibrosarcoma protuberans(DFSP)is an uncommon cutaneous sarcoma that infrequently involves the head and face.Despite its low incidence,the complex anatomical subunits of this region and frequent misdi...Background:Dermatofibrosarcoma protuberans(DFSP)is an uncommon cutaneous sarcoma that infrequently involves the head and face.Despite its low incidence,the complex anatomical subunits of this region and frequent misdiagnosis can result in functional impairment and challenging reconstruction.However,the distribution characteristics of DFSP in the head and face have not yet been systematically evaluated.This study aimed to characterize the distribution of DFSP in the head and face to provide guidance for clinical diagnosis.Methods:We retrospectively reviewed patients who underwent treatment for DFSP involving the head and face at our hospital.The associations between tumor location and patient characteristics—including sex,age,tumor size,history of trauma,and histopathological features—were systematically analyzed.Results:Among the 161 cases,26(16.1%)involved DFSP of the head and face.The highest tumor frequency was observed in the cheek region(65.38%).Patients with DFSP located in the cheek were older than those with DFSP in non-cheek regions(48.82 vs.37.22 years,P=0.04).Histologically,among the 26 cases,23 were classic DFSP and 3 were fibrosarcomatous dermatofibrosarcoma protuberans(FS-DFSP),a more aggressive histologic subtype.The proportion of FS-DFSP was lower in the cheek region than in non-cheek areas(0 vs.3,P=0.032).Conclusion:DFSP of the head and face demonstrated a predilection for the cheek region.Recognition of this distribution pattern may assist dermatologists in the clinical assessment and management of patients,particularly for lesions involving the cheeks.展开更多
文摘Background:To correct mild and moderate congenital ptosis,traditional surgical techniques usually include dissection of the Müller’s muscle.Meanwhile,both the levator palpebrae superioris and the Müller’s muscle play a synergistic role to elevate the upper eyelid.Thus,to protect the Müller muscle and minimize injury,we developed and applied a levator imbrication technique in patients with mild and moderate congenital ptosis and followed it up to evaluate its clinical efficacy.Methods:This retrospective case series included 53 patients with mild and moderate congenital ptosis,all of whom had undergone ptosis correction using the levator imbrication technique at the Plastic and Aesthetic Department of the Second Affiliated Hospital of Zhengzhou University between June 2018 and June 2020.The outcomes of correction,upper eyelid appearance,and operative complications were observed and analyzed.The postoperative follow-up was 3–12 months.Results:Fifty cases of ptosis were fully corrected,and the bilateral double eyelids were smooth and natural.The eyelids of 20 patients were incompletely closed immediately after the operation but were able to close spontaneously within 2 weeks.No serious complications such as exposure keratitis were reported.Three patients with undercorrection underwent reoperation 3 months after the first operation,and ptosis was corrected.Conclusion:The levator imbrication technique for mild and moderate congenital ptosis is simple to perform and shortens the operation time with less damage,stable postoperative outcomes,and no long-term complications.
基金supported by grants from the National Natural Science Foundation of China (81871576, 82302836)the Shanghai Rising-Star Program (23YF1403700)the Shanghai Plastic Surgery Research Center of Shanghai Priority Research Center (2023ZZ02023)
文摘Background:Dermatofibrosarcoma protuberans(DFSP)is an uncommon cutaneous sarcoma that infrequently involves the head and face.Despite its low incidence,the complex anatomical subunits of this region and frequent misdiagnosis can result in functional impairment and challenging reconstruction.However,the distribution characteristics of DFSP in the head and face have not yet been systematically evaluated.This study aimed to characterize the distribution of DFSP in the head and face to provide guidance for clinical diagnosis.Methods:We retrospectively reviewed patients who underwent treatment for DFSP involving the head and face at our hospital.The associations between tumor location and patient characteristics—including sex,age,tumor size,history of trauma,and histopathological features—were systematically analyzed.Results:Among the 161 cases,26(16.1%)involved DFSP of the head and face.The highest tumor frequency was observed in the cheek region(65.38%).Patients with DFSP located in the cheek were older than those with DFSP in non-cheek regions(48.82 vs.37.22 years,P=0.04).Histologically,among the 26 cases,23 were classic DFSP and 3 were fibrosarcomatous dermatofibrosarcoma protuberans(FS-DFSP),a more aggressive histologic subtype.The proportion of FS-DFSP was lower in the cheek region than in non-cheek areas(0 vs.3,P=0.032).Conclusion:DFSP of the head and face demonstrated a predilection for the cheek region.Recognition of this distribution pattern may assist dermatologists in the clinical assessment and management of patients,particularly for lesions involving the cheeks.
