hematoma
用法要点
句型搭配
hematoma通常作为名词使用，常见于描述医疗状况的句子中，如“develop a hematoma”或“treat a hematoma”。
介词用法
hematoma常与介词“in”或“on”连用，表示血肿的位置，例如“hematoma in the brain”或“hematoma on the leg”。
语域说明
hematoma是正式的医学术语，多用于医疗、学术或专业场合，日常对话中较少使用，非专业人士可能用“bruise”或“swelling”代替。
基础例句
After the fall, he developed a small hematoma on his arm.
摔倒后，他手臂上出现了一个小血肿。
The doctor said the hematoma should go away in a few weeks.
医生说这个血肿应该几周内就会消失。
She applied ice to reduce the swelling from the hematoma.
她敷了冰来减轻血肿引起的肿胀。
If the hematoma gets worse, you should see a doctor immediately.
如果血肿恶化，你应该立即去看医生。
高级例句
The patient presented with a subdural hematoma following head trauma, requiring urgent surgical intervention.
患者头部外伤后出现硬膜下血肿，需要紧急手术干预。
In clinical trials, the incidence of postoperative hematoma was reported at less than 2%.
在临床试验中，术后血肿的发生率报告低于2%。
The hematoma evacuation procedure was performed to relieve intracranial pressure and prevent further neurological damage.
进行了血肿清除手术以减轻颅内压力并预防进一步的神经损伤。
Risk factors for hematoma formation include anticoagulant therapy and hypertension, as noted in the medical literature.
根据医学文献，血肿形成的风险因素包括抗凝治疗和高血压。
高频搭配
verb
adjective
noun
adverb
preposition
phrase
常见错误
错误：将hematoma与cut（割伤）混淆。hematoma是血液积聚形成的肿块，而cut是皮肤破裂。正确用法应强调血肿是由撞击引起的淤伤。
错误：误以为hematoma由感染引起。实际上，hematoma通常由外伤（如撞击）导致血液外渗形成，感染不是常见原因。正确用法应指出外伤并建议休息和冷敷。
近义词辨析
bruise
bruise（淤伤）更通用，指皮肤下的轻微出血，常呈紫色，多用于日常对话；hematoma（血肿）是更严重的医学术语，指较大血液积聚形成的肿块，可能需医疗处理。
After bumping into the table, she got a bruise on her knee. (日常淤伤) vs. The car accident resulted in a large hematoma in his abdomen. (严重血肿)
swelling
swelling（肿胀）泛指组织肿大，可由多种原因（如炎症、积液）引起；hematoma特指血液积聚导致的肿胀，是swelling的一种具体类型。
The ankle swelling was due to sprain. (一般肿胀) vs. The hematoma caused noticeable swelling at the injection site. (血肿引起的肿胀)