Popliteal cysts and deep venous thrombosis: Tc-99m red blood cell venography

G. O. Littlejohn, C. A. Brand, A. Ada, C. Wong

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Thirty-four patients who clinically were suspected of having deep venous thrombosis (DVT) underwent Tc-99m red blood cell (RBC) venography followed by contrast venography. The sensitivity (88%) and specificity (94%) of Tc-99m RBC venography for DVT confirmed findings of previous studies. Twenty-four patients who had proved popliteal cysts and swollen calves also were examined using Tc-99m RBC venography. Large cysts (>9x4x4 cm) showed lack of DVT features, photon deficient cold areas in the popliteal fossa, and diversion of venous flow around the photon deficient area. These features were seen in 25% of the study population (six patients), and assisted in the distinction between the two conditions.

Original languageEnglish
Pages (from-to)237-240
Number of pages4
Issue number1
Publication statusPublished - 1 Jan 1985

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