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Single-photon emission computed tomography for prediction of treatment results in sequential intraperitoneal chemotherapy at peritoneal carcinomatosis

Hansson, Johan, 1964- (författare)
Uppsala universitet, Kolorektalkirurgi, Uppsala universitet, Centrum för klinisk forskning, Gävleborg, PC-gruppen
Mahteme, Haile, 1959- (författare)
Uppsala universitet, Kolorektalkirurgi, PC-gruppen
Maripuu, Enn, (författare)
Uppsala universitet, Avdelningen för sjukhusfysik
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Garske, Ulrike, (författare)
Uppsala universitet, Enheten för onkologi
Graf, Wilhelm, (författare)
Uppsala universitet, Kolorektalkirurgi
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2012
Engelska.
Ingår i: Annals of Surgery. - 0003-4932 .- 1528-1140.
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • <p><strong>Background: </strong></p><p>Cytoreductive surgery and intraperitoneal chemotherapy (IPC) treatment can improve survival in peritoneal carcinomatosis. One of the reasons for failure of sequential postoperative intraperitoneal chemotherapy (SPIC) is lack of distribution of the chemotherapy in the peritoneal cavity. The primary aim of this study was to evaluate single-photon emission computed tomography (SPECT) as a predictor of successful SPIC treatment and prognosis. A secondary aim was to assess the relationship between SPECT, feasibility of SPIC, and clinical variables.</p><p><strong>Methods: </strong></p><p>Fifty-one patients (mean age 52 years, range 14-74, 20 women) were treated with Cytoreductive surgery and SPIC. SPECT studies with intraperitoneal (i.p.) Technetium-99 via a Port-a-Cath (PaC) were performed before the second course of treatment. The i.p. distribution was registered as a detected volume (DV) at four different threshold settings (1, 2, 5, and 10%) of the global maximum intensity of the SPECT examination. A calculation model for SPECT and clinical variables was tested.</p><p><strong>Results: </strong></p><p>The DV measured in the SPECT examination predicted the number of subsequent SPIC courses. The highest correlation (R=0.45) for DV was in the 2% threshold setting. Patients with a DV<sub>2%</sub> lower than mean reached two SPIC courses and patients with a DV<sub>2%</sub> higher than mean reached six SPIC course. Height correlated to higher DV and a higher number of SPIC courses. Patients with a height lower than mean reached a DV<sub>2%</sub> at 3930 ml and patients higher than mean reached a DV<sub>2%</sub> at 5507 ml. A taller person could tolerate more SPIC courses (R=0.28) and patients with a height higher than mean reached six SPIC courses; patients with a height lower than mean reached four courses. There was no correlation between DV and survival.</p><p><strong>Conclusion: </strong></p><p>The feasibility of performing SPIC without further surgical intervention can be predicted by SPECT, and it might therefore be an instrument to select which patients should preferably be treated with alternative therapy.<strong></strong></p>

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Kirurgi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Surgery (hsv//eng)

Nyckelord

peritoneal carcinomatosis
spect
MEDICINE Surgery Surgical research Surgery
MEDICIN Kirurgi Kirurgisk forskning Kirurgi
Kirurgi
Surgery

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Av författaren/redakt...
Hansson, Johan, ...
Mahteme, Haile, ...
Maripuu, Enn
Garske, Ulrike
Graf, Wilhelm
Om ämnet
MEDICIN OCH HÄLSOVETENSKAP
MEDICIN OCH HÄLS ...
och Klinisk medicin
och Kirurgi
Artiklar i publikationen
Annals of Surger ...
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Uppsala universitet

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