BACKGROUND Pleomorphic leiomyosarcomas make up around 8.6%of all leiomyosarcomas.They behave aggressively and often have poor prognoses.They can affect the gastrointestinal tract and retroperitoneum.To date,pleomorphi...
Introduction: Atypical fibroxanthoma (AFX) and pleomorphic dermal sarcoma (PDS) are one spectrum of rare cutaneous neoplasms that typically arise in sun-exposed skin of older population. AFX/PDS is essentially diagnos...
BACKGROUND Rhabdomyosarcoma(RMS)of the vagina in postmenopausal women is an extre-mely rare malignant tumor that was originally described as a unique group of soft tissue sarcomas originating from primitive mesenchyma...
Supported by the People’s Livelihood Science and Technology Innovation Project of the Bureau of Science and Technology of Jiaxing City,No.2021AD30091.
BACKGROUND Undifferentiated pleomorphic sarcoma(UPS)is a rare malignant mesenchymal tumor with a poor prognosis.It mainly occurs in the extremities,trunk,head and neck,and retroperitoneum regions.Owing to the lack of ...
Nasopharyngeal liposarcoma is an extremely rare clinical entity. Less than ten cases have been reported in the literature. It mainly occurs in humans. The non-specificity of the clinical and radiological signs explain...
Objective:To examine survival by tumor grade of pleomorphic dermal sarcomas(PDS)of the head and neck(H&N)and review a scalp PDS case.Methods:Patients in the Surveillance,Epidemiology,and End Results(SEER)database were...
supported by grants from the National Natural Science Foundation of China(Nos.81972520 and 81472510);the Key R&D(Major Science and Technology Project)Project of Sichuan Science and Technology Department(No.2020YFS0270);the 135 Project for Disciplines of Excellence–Clinical Research Incubation Project,West China Hospital,Sichuan University(No.2018HXFH011).
To the Editor:Lipomatous neoplasms with spindle cell components and atypical features are rare soft tissue tumors.Atypical lipomatous tumor(ALT)/well-differentiated liposarcoma(WDLPS)is one of the most common liposarc...
BACKGROUND Waldenstrom macroglobulinemia(WM) is a type of small lymphocytic lymphoma that mainly affects the bone marrow, spleen, and lymph nodes. A subset of patients with WM demonstrates extramedullary involvement(4...
BACKGROUND Pleomorphic rhabdomyosarcoma(RMS)of the spermatic cord is a group of rare neoplasms,and a secondary hydrocele testis occasionally occurs.The misdiagnosis of paratesticular mass may lead to a therapeutic del...
Background: Parotid surgery with dissection of the facial nerve branches is a technically challenging surgery. Even in experienced hands, parotidectomy has well-documented post-operative complications. We aim to evalu...