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Lymphoscintigraphy in Lymphedema of the Lower Limbs Using 99mTc HSA

Department of Nuclear Medicine

M.M. Hamad, M.D.

Surgery, Faculty of Medicine, Kuwait University. Mubarak Al-Kabeer Hospital and Amiri Hospital, Ministry of Public Health, Safat, Kuwait

H.M. Abdel-Dayem, M.D.

Department of Nuclear Medicine

S. Sadek, M.D.

Department of Nuclear Medicine

B.G.H. Eklof, M.D.

Surgery, Faculty of Medicine, Kuwait University. Mubarak Al-Kabeer Hospital and Amiri Hospital, Ministry of Public Health, Safat, Kuwait

Edema of the lower limbs is a difficult clinical problem. Edema could be due to stasis, obstruction of the lymphatic channels, or increased production of lymph beyond the drainage capacity of the lymphatic vessels. Sometimes it is difficult to differentiate among these varieties.

Lymphoscintigraphy was performed in 164 patients complaining of swelling of the lower limbs, 2 women patients with lymphedema of the upper limbs fol lowing radical mastectomy, and 5 volunteers. All patients were injected with 1 mCi of ^99mT _c human serum albumin intradermally in the medial web on the dor sum of each foot. Data were acquired dynamically for both inguinal regions for forty-five minutes with a gamma camera interfaced with a computer. Static im ages were taken at ninety minutes for both legs and thighs and for the pelvis. Time activity curves were generated for the equal regions of inguinal nodes on both inguinal sides.

The following patterns were recognized: normal pattern in 5 volunteers and in 57 patients, enhanced flow pattern in 17 patients, stasis with mild obstruction in 72 patients, and marked stasis with obstruction in 20 patients.

Angiology, Vol. 43, No. 2, 147-154 (1992)
DOI: 10.1177/000331979204300209


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