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Venous lake 是嘴唇的老年性血管瘤。它通常是由加寬的小靜脈引起的柔軟的藍色腫塊。它通常單獨出現，摸起來並不堅硬。它通常發生在臉部和耳朵受到大量陽光照射的部位。一名 46 歲男子前來就診，下唇有一個藍色腫塊，已經生長了 8 個月。它開始時很小，隨著時間的推移變得越來越大。他說他沒有傷害該地區。他沒有出現過無緣無故的流血，也沒有受過輕傷之後的流血。當醫生檢查他時，他們發現他的下唇上有一個藍色的腫塊，柔軟且易於擠壓。醫生用液態氮冷凍療法對他進行治療，每次冷凍病灶10秒，周圍有一小塊邊緣。他們每兩週進行一次這種治療。 12週後，情況有了一些改善。
A venous lake, sometimes referred to as senile hemangioma of the lips is usually a solitary, non-indurated, soft, compressible, blue papule occurring due to dilatation of venules. It is commonly found on sun-exposed surfaces of the face and ears. A 46 year old male patient presented with an 8 month history of a single, painless, bluish swelling over the lower lip which began as a pea sized lesion and gradually increased to the present size. Patient strongly denied any history of trauma at the site. No history of bleeding spontaneously or following minimal trauma could be elicited. On physical examination, a single, violaceous, soft, compressible, non-indurated, non-pulsatile papule was present on the lower lip. Patient was treated with cryotherapy with application of liquid nitrogen by dipstick method with one 10-second freeze-thaw cycle with a 1-mm margin. This was done at biweekly intervals. Some improvement was obtained following 12 weeks of therapy.