LUQ：左上象限

“左上象限”（Left Upper Quadrant）在医学和生理学领域常被简写为LUQ，这种缩写形式便于临床记录和学术交流，能够有效提升书写效率与沟通便利性。无论是病历书写还是解剖定位描述，LUQ都是广泛应用的专业术语。

Sectional anatomy of peritoneal cavity of left upper quadrant on sagittal plane
左上腹腹膜腔的矢状断面解剖学研究
Conclusions Cystic tumor of the pancreas should be suspected when young or middle aged female patients have a long term big mass in epigastrium or left upper quadrant.
结论凡中青年女性，上腹或左上腹出现较大肿块，且病程较长，结合B超和CT检查可对本病的诊断。
Major clinical symptoms included discomfort in the left upper quadrant, pain, emaciation and loss of appetite. Splenomegaly was noted in some patients and computerized tomography could show space-occupying lesions in the spleen.
临床症状主要表现为左上腹不适，疼痛，消瘦乏力，食欲不振等，有些病例可扪及脾肿大，CT可发现脾内占位。
Differential diagnosis of left upper quadrant masses by nuclide hepatosplenic static imaging one case
核素肝脾静态显像鉴别左上腹部包块1例
76.3 % of the patients presented with pain in the left upper quadrant of the abdomen and 63.2 % with splenomegaly and splenic masses.
763%有左上腹疼痛，632%伴脾肿大或包块；

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