open access

Vol 24, No 1 (2021)
Clinical vignette
Published online: 2021-01-29
Submitted: 2020-07-06
Accepted: 2020-10-06
Get Citation

Accumulation of 99m-Tc Phytate in the pyelocalyceal system in a patient with chylous ascites — a pitfall resolved by SPECT/CT

Hadis Mohammadzadeh Kosari, Somayeh Barashki, Yasaman Fakhar, Emran Askari, Ramin Sadeghi
DOI: 10.5603/NMR.2021.0006
·
Pubmed: 33576482
·
Nucl. Med. Rev 2021;24(1):29-30.

open access

Vol 24, No 1 (2021)
Clinical vignette
Published online: 2021-01-29
Submitted: 2020-07-06
Accepted: 2020-10-06

Abstract

We reported 99m-Tc phytate accumulation in the pyelocalyceal system of the kidney in the lymphoscintigraphic images of a 3.5
months-old male infant with chylous ascites, which was mistaken with the site of lymph leakage. SPECT/CT localized activity
in the para-aortic region to the renal pelvis and on delayed images, this was disappeared. Our case illustrates the added value
of SPECT/CT for the differentiation of possible false-positive findings in lymphoscintigraphy.

Abstract

We reported 99m-Tc phytate accumulation in the pyelocalyceal system of the kidney in the lymphoscintigraphic images of a 3.5
months-old male infant with chylous ascites, which was mistaken with the site of lymph leakage. SPECT/CT localized activity
in the para-aortic region to the renal pelvis and on delayed images, this was disappeared. Our case illustrates the added value
of SPECT/CT for the differentiation of possible false-positive findings in lymphoscintigraphy.

Get Citation

Keywords

lymphoscintigraphy; 99m-Tc phytate, chylous ascites; leakage; pyelocalyceal system; SPECT/CT

About this article
Title

Accumulation of 99m-Tc Phytate in the pyelocalyceal system in a patient with chylous ascites — a pitfall resolved by SPECT/CT

Journal

Nuclear Medicine Review

Issue

Vol 24, No 1 (2021)

Article type

Clinical vignette

Pages

29-30

Published online

2021-01-29

DOI

10.5603/NMR.2021.0006

Pubmed

33576482

Bibliographic record

Nucl. Med. Rev 2021;24(1):29-30.

Keywords

lymphoscintigraphy
99m-Tc phytate
chylous ascites
leakage
pyelocalyceal system
SPECT/CT

Authors

Hadis Mohammadzadeh Kosari
Somayeh Barashki
Yasaman Fakhar
Emran Askari
Ramin Sadeghi

References (9)
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  6. Seo Y, Shuke N, Yamamoto W, et al. Ruptured lymphocele as a cause of chylous ascites: demonstration by lymphoscintigraphy. Clin Nucl Med. 1999; 24(1): 60–61.
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  8. Weiss M, Schwarz F, Wallmichrath J, et al. Chylothorax and chylous ascites. Clinical utility of planar scintigraphy and tomographic imaging with SPECT/CT. Nuklearmedizin. 2015; 54(5): 231–240.
  9. Alavi A, Staum MM, Shesol BF, et al. Technetium-99m stannous phytate as an imaging agent for lymph nodes. J Nucl Med. 1978; 19(4): 422–426.

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