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女阴是由一些结构不同的组织构成,包括脂肪、结缔组织、皮肤及其附属器(毛囊、皮脂腺与汗腺),另外还有部分胚胎残留组织或异位性组织。这些不同结构的组织,可因某种因素影响而发生瘤样改变,或成为真正的瘤。由于初起较小,生长又缓慢,多不引起明显的临床症状,往往被患者和医生所忽视。女阴良性包块从大体上分为囊性和实性两类.一、女阴囊肿女阴囊肿实际上是一种外观上似瘤样改变,而并非真正的女阴瘤,且多数是因腺体的导管被阻塞而形成,如前庭大腺囊肿,尿道旁腺囊肿,皮脂腺囊肿、汗腺囊肿、粘液腺囊肿等。少数病例由于中肾管和副中肾管终末部分的残余,而在处女膜、小阴唇、阴蒂、部形成囊肿,这种囊肿可以单发,亦可多发,囊壁薄而半透明,临床上多无明显症状。极少数病例是因异位的乳腺组织在大阴唇外侧形成乳腺样囊肿;异位的内膜组织在大阴唇、会阴、腹股沟形成子宫内膜异位囊肿;泌尿生殖窦区域胚胎性误位在阴蒂、处女膜、小阴唇,大阴唇形成原发性表皮样包涵囊肿。
The vulva is composed of a number of different structures, including fat, connective tissue, skin and its appendages (hair follicles, sebaceous glands and sweat glands), in addition to some embryonic residual tissue or ectopic tissues. These different structures of the organization, due to the impact of a certain factor tumor-like changes, or become a real tumor. Due to the beginning of small, slow growth, and more did not cause significant clinical symptoms, often overlooked by patients and doctors. Female yin benign mass is generally divided into two categories of cystic and solid I. First, the female scrotum Female scrotum is actually a appearance like tumor-like changes, rather than the true female Yin tumor, and most are due to Glands of the catheter is blocked and formed, such as vestibular gland cysts, paraurethral cysts, sebaceous cysts, sweat gland cyst, mucinous cyst and so on. A small number of cases due to the remnants of the terminal part of the renal and secondary mesorectal, and in the hymen, labia minora, clitoris, the Ministry of the formation of cysts, such cysts can be single, but also multiple, thin and translucent wall, clinically No obvious symptoms. In a very small number of cases, ectopic mammary gland tissue forms a breast-like cyst on the outside of the labia majus; ectopic endometrial tissue forms endometriotic cysts in the labia majora, perineum, and groin; embryonic malalignment in the genitourinary sinus , Hymen, labia minora, labia majora forming primary epidermal inclusions cysts.