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皮肤淋巴管瘤是淋巴管的畸形,在临床上表现为成群或散在的大小不等的水疱或血疱,一部分患者可无症状,但另一些患者可发生多种并发症,最常见的有复发性蜂窝组织炎、疼痛及大量渗液。在组织学上,表浅损害为真皮乳头层有囊性扩张的淋巴管,而深在损害则可累及整个真皮,皮下甚至肌层。对淋巴管瘤进行淋巴管造影术,无单独的输送淋巴管可见;当淋巴管瘤受外伤后,其淋巴液中含有的红细胞可存留数周;如将染料注入淋巴管附近无损害皮肤的真皮内,染料被正常的淋巴管摄取,而在淋巴管瘤中囊性扩张的淋巴管内无染料,这些情况表明淋巴管瘤是一封闭的系统,它与正常的淋巴系统相互不沟通。
The cutaneous lymphangioma is a malformation of the lymphatic vessels. It is clinically manifested as blisters or blood stasis in groups or scattered in sizes. Some patients may be asymptomatic, but other patients may have multiple complications. The most common ones are Recurrent cellulitis, pain, and massive exudates. Histologically, superficial lesions are cystic distended lymphatics in the dermal papilla, while deep lesions can affect the entire dermis, subcutaneous or even muscular layers. Lymphatic angiography for lymphangioma, no separate lymphatic vessels visible; when lymphangioma by trauma, the red blood cells contained in the lymph can remain for several weeks; such as the dye injection into the lymphatic vessels near the skin without damage to the skin Internally, the dye is uptaken by normal lymphatic vessels, and there are no dyes in the cystic dilated lymphatic vessels of lymphangioma. These conditions indicate that the lymphatic tumor is a closed system and it does not communicate with the normal lymphatic system.