Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis

Background The diagnosis of peritoneal carcinomatosis is challenging and can be difficult to detect with imaging, especially the detection of small-sized peritoneal lesions. The presence of peritoneal neoplastic spread alters tumour staging and is one of the most significant prognostic indicators in...
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Autor*in:	Darweesh, Ahmed Abdelmonem [verfasserIn] Barakat, Ashraf F. Dawoud, Mohamed Fathy Shaban, Ekhlas Abdelmonem

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Peritoneal carcinomatosis Peritoneal metastasis Omental cake PET/CT

Anmerkung:	© The Author(s) 2023

Übergeordnetes Werk:	Enthalten in: The Egyptian Journal of Radiology and Nuclear Medicine - Amsterdam [u.a.] : Elsevier, 2010, 54(2023), 1 vom: 17. Jan.
Übergeordnetes Werk:	volume:54 ; year:2023 ; number:1 ; day:17 ; month:01

Links:	Volltext

DOI / URN:	10.1186/s43055-023-00965-7

Katalog-ID:	SPR049078380

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520			\|a Background The diagnosis of peritoneal carcinomatosis is challenging and can be difficult to detect with imaging, especially the detection of small-sized peritoneal lesions. The presence of peritoneal neoplastic spread alters tumour staging and is one of the most significant prognostic indicators in several malignancies, and the purpose of this study was to highlight the diagnostic value of PET/CT in detection of peritoneal carcinomatosis in patients with malignant neoplastic disease. Results PET/CT has 76.2% sensitivity, 88.9% specificity, 94.1% PPV, 61.5% NPV and 80% accuracy in detection of peritoneal carcinomatosis. Different patterns of FDG uptake of peritoneal carcinomatosis were found such as focal nodular uptake, diffuse abdominal uptake and liver surface focal or diffuse uptake. From all these different patterns, focal nodular uptake was the most frequent pattern. The best cut-off value of SUVmax was 5 for diagnosis. Conclusions The study affirms the significant role of PET/CT in the diagnosis of peritoneal carcinomatosis and its important value in the staging, management and follow-up of patients with secondary peritoneal malignancies, especially in case of unavailable or inappropriate peritoneal biopsy. Therefore, PET/CT could help reduce the number of laparotomies and a better selection of patients who are candidates for adjuvant chemotherapy.
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allfields	10.1186/s43055-023-00965-7 doi (DE-627)SPR049078380 (SPR)s43055-023-00965-7-e DE-627 ger DE-627 rakwb eng Darweesh, Ahmed Abdelmonem verfasserin (orcid)0000-0002-8930-2149 aut Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Background The diagnosis of peritoneal carcinomatosis is challenging and can be difficult to detect with imaging, especially the detection of small-sized peritoneal lesions. The presence of peritoneal neoplastic spread alters tumour staging and is one of the most significant prognostic indicators in several malignancies, and the purpose of this study was to highlight the diagnostic value of PET/CT in detection of peritoneal carcinomatosis in patients with malignant neoplastic disease. Results PET/CT has 76.2% sensitivity, 88.9% specificity, 94.1% PPV, 61.5% NPV and 80% accuracy in detection of peritoneal carcinomatosis. Different patterns of FDG uptake of peritoneal carcinomatosis were found such as focal nodular uptake, diffuse abdominal uptake and liver surface focal or diffuse uptake. From all these different patterns, focal nodular uptake was the most frequent pattern. The best cut-off value of SUVmax was 5 for diagnosis. Conclusions The study affirms the significant role of PET/CT in the diagnosis of peritoneal carcinomatosis and its important value in the staging, management and follow-up of patients with secondary peritoneal malignancies, especially in case of unavailable or inappropriate peritoneal biopsy. Therefore, PET/CT could help reduce the number of laparotomies and a better selection of patients who are candidates for adjuvant chemotherapy. Peritoneal carcinomatosis (dpeaa)DE-He213 Peritoneal metastasis (dpeaa)DE-He213 Omental cake (dpeaa)DE-He213 PET/CT (dpeaa)DE-He213 Barakat, Ashraf F. aut Dawoud, Mohamed Fathy aut Shaban, Ekhlas Abdelmonem (orcid)0000-0002-8460-4252 aut Enthalten in The Egyptian Journal of Radiology and Nuclear Medicine Amsterdam [u.a.] : Elsevier, 2010 54(2023), 1 vom: 17. Jan. (DE-627)641391862 (DE-600)2583928-7 2090-4762 nnns volume:54 year:2023 number:1 day:17 month:01 https://dx.doi.org/10.1186/s43055-023-00965-7 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 54 2023 1 17 01
spelling	10.1186/s43055-023-00965-7 doi (DE-627)SPR049078380 (SPR)s43055-023-00965-7-e DE-627 ger DE-627 rakwb eng Darweesh, Ahmed Abdelmonem verfasserin (orcid)0000-0002-8930-2149 aut Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Background The diagnosis of peritoneal carcinomatosis is challenging and can be difficult to detect with imaging, especially the detection of small-sized peritoneal lesions. The presence of peritoneal neoplastic spread alters tumour staging and is one of the most significant prognostic indicators in several malignancies, and the purpose of this study was to highlight the diagnostic value of PET/CT in detection of peritoneal carcinomatosis in patients with malignant neoplastic disease. Results PET/CT has 76.2% sensitivity, 88.9% specificity, 94.1% PPV, 61.5% NPV and 80% accuracy in detection of peritoneal carcinomatosis. Different patterns of FDG uptake of peritoneal carcinomatosis were found such as focal nodular uptake, diffuse abdominal uptake and liver surface focal or diffuse uptake. From all these different patterns, focal nodular uptake was the most frequent pattern. The best cut-off value of SUVmax was 5 for diagnosis. Conclusions The study affirms the significant role of PET/CT in the diagnosis of peritoneal carcinomatosis and its important value in the staging, management and follow-up of patients with secondary peritoneal malignancies, especially in case of unavailable or inappropriate peritoneal biopsy. Therefore, PET/CT could help reduce the number of laparotomies and a better selection of patients who are candidates for adjuvant chemotherapy. Peritoneal carcinomatosis (dpeaa)DE-He213 Peritoneal metastasis (dpeaa)DE-He213 Omental cake (dpeaa)DE-He213 PET/CT (dpeaa)DE-He213 Barakat, Ashraf F. aut Dawoud, Mohamed Fathy aut Shaban, Ekhlas Abdelmonem (orcid)0000-0002-8460-4252 aut Enthalten in The Egyptian Journal of Radiology and Nuclear Medicine Amsterdam [u.a.] : Elsevier, 2010 54(2023), 1 vom: 17. Jan. (DE-627)641391862 (DE-600)2583928-7 2090-4762 nnns volume:54 year:2023 number:1 day:17 month:01 https://dx.doi.org/10.1186/s43055-023-00965-7 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 54 2023 1 17 01
allfields_unstemmed	10.1186/s43055-023-00965-7 doi (DE-627)SPR049078380 (SPR)s43055-023-00965-7-e DE-627 ger DE-627 rakwb eng Darweesh, Ahmed Abdelmonem verfasserin (orcid)0000-0002-8930-2149 aut Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Background The diagnosis of peritoneal carcinomatosis is challenging and can be difficult to detect with imaging, especially the detection of small-sized peritoneal lesions. The presence of peritoneal neoplastic spread alters tumour staging and is one of the most significant prognostic indicators in several malignancies, and the purpose of this study was to highlight the diagnostic value of PET/CT in detection of peritoneal carcinomatosis in patients with malignant neoplastic disease. Results PET/CT has 76.2% sensitivity, 88.9% specificity, 94.1% PPV, 61.5% NPV and 80% accuracy in detection of peritoneal carcinomatosis. Different patterns of FDG uptake of peritoneal carcinomatosis were found such as focal nodular uptake, diffuse abdominal uptake and liver surface focal or diffuse uptake. From all these different patterns, focal nodular uptake was the most frequent pattern. The best cut-off value of SUVmax was 5 for diagnosis. Conclusions The study affirms the significant role of PET/CT in the diagnosis of peritoneal carcinomatosis and its important value in the staging, management and follow-up of patients with secondary peritoneal malignancies, especially in case of unavailable or inappropriate peritoneal biopsy. Therefore, PET/CT could help reduce the number of laparotomies and a better selection of patients who are candidates for adjuvant chemotherapy. Peritoneal carcinomatosis (dpeaa)DE-He213 Peritoneal metastasis (dpeaa)DE-He213 Omental cake (dpeaa)DE-He213 PET/CT (dpeaa)DE-He213 Barakat, Ashraf F. aut Dawoud, Mohamed Fathy aut Shaban, Ekhlas Abdelmonem (orcid)0000-0002-8460-4252 aut Enthalten in The Egyptian Journal of Radiology and Nuclear Medicine Amsterdam [u.a.] : Elsevier, 2010 54(2023), 1 vom: 17. Jan. (DE-627)641391862 (DE-600)2583928-7 2090-4762 nnns volume:54 year:2023 number:1 day:17 month:01 https://dx.doi.org/10.1186/s43055-023-00965-7 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 54 2023 1 17 01
allfieldsGer	10.1186/s43055-023-00965-7 doi (DE-627)SPR049078380 (SPR)s43055-023-00965-7-e DE-627 ger DE-627 rakwb eng Darweesh, Ahmed Abdelmonem verfasserin (orcid)0000-0002-8930-2149 aut Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Background The diagnosis of peritoneal carcinomatosis is challenging and can be difficult to detect with imaging, especially the detection of small-sized peritoneal lesions. The presence of peritoneal neoplastic spread alters tumour staging and is one of the most significant prognostic indicators in several malignancies, and the purpose of this study was to highlight the diagnostic value of PET/CT in detection of peritoneal carcinomatosis in patients with malignant neoplastic disease. Results PET/CT has 76.2% sensitivity, 88.9% specificity, 94.1% PPV, 61.5% NPV and 80% accuracy in detection of peritoneal carcinomatosis. Different patterns of FDG uptake of peritoneal carcinomatosis were found such as focal nodular uptake, diffuse abdominal uptake and liver surface focal or diffuse uptake. From all these different patterns, focal nodular uptake was the most frequent pattern. The best cut-off value of SUVmax was 5 for diagnosis. Conclusions The study affirms the significant role of PET/CT in the diagnosis of peritoneal carcinomatosis and its important value in the staging, management and follow-up of patients with secondary peritoneal malignancies, especially in case of unavailable or inappropriate peritoneal biopsy. Therefore, PET/CT could help reduce the number of laparotomies and a better selection of patients who are candidates for adjuvant chemotherapy. Peritoneal carcinomatosis (dpeaa)DE-He213 Peritoneal metastasis (dpeaa)DE-He213 Omental cake (dpeaa)DE-He213 PET/CT (dpeaa)DE-He213 Barakat, Ashraf F. aut Dawoud, Mohamed Fathy aut Shaban, Ekhlas Abdelmonem (orcid)0000-0002-8460-4252 aut Enthalten in The Egyptian Journal of Radiology and Nuclear Medicine Amsterdam [u.a.] : Elsevier, 2010 54(2023), 1 vom: 17. Jan. (DE-627)641391862 (DE-600)2583928-7 2090-4762 nnns volume:54 year:2023 number:1 day:17 month:01 https://dx.doi.org/10.1186/s43055-023-00965-7 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 54 2023 1 17 01
allfieldsSound	10.1186/s43055-023-00965-7 doi (DE-627)SPR049078380 (SPR)s43055-023-00965-7-e DE-627 ger DE-627 rakwb eng Darweesh, Ahmed Abdelmonem verfasserin (orcid)0000-0002-8930-2149 aut Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Background The diagnosis of peritoneal carcinomatosis is challenging and can be difficult to detect with imaging, especially the detection of small-sized peritoneal lesions. The presence of peritoneal neoplastic spread alters tumour staging and is one of the most significant prognostic indicators in several malignancies, and the purpose of this study was to highlight the diagnostic value of PET/CT in detection of peritoneal carcinomatosis in patients with malignant neoplastic disease. Results PET/CT has 76.2% sensitivity, 88.9% specificity, 94.1% PPV, 61.5% NPV and 80% accuracy in detection of peritoneal carcinomatosis. Different patterns of FDG uptake of peritoneal carcinomatosis were found such as focal nodular uptake, diffuse abdominal uptake and liver surface focal or diffuse uptake. From all these different patterns, focal nodular uptake was the most frequent pattern. The best cut-off value of SUVmax was 5 for diagnosis. Conclusions The study affirms the significant role of PET/CT in the diagnosis of peritoneal carcinomatosis and its important value in the staging, management and follow-up of patients with secondary peritoneal malignancies, especially in case of unavailable or inappropriate peritoneal biopsy. Therefore, PET/CT could help reduce the number of laparotomies and a better selection of patients who are candidates for adjuvant chemotherapy. Peritoneal carcinomatosis (dpeaa)DE-He213 Peritoneal metastasis (dpeaa)DE-He213 Omental cake (dpeaa)DE-He213 PET/CT (dpeaa)DE-He213 Barakat, Ashraf F. aut Dawoud, Mohamed Fathy aut Shaban, Ekhlas Abdelmonem (orcid)0000-0002-8460-4252 aut Enthalten in The Egyptian Journal of Radiology and Nuclear Medicine Amsterdam [u.a.] : Elsevier, 2010 54(2023), 1 vom: 17. Jan. (DE-627)641391862 (DE-600)2583928-7 2090-4762 nnns volume:54 year:2023 number:1 day:17 month:01 https://dx.doi.org/10.1186/s43055-023-00965-7 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 54 2023 1 17 01
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source	Enthalten in The Egyptian Journal of Radiology and Nuclear Medicine 54(2023), 1 vom: 17. Jan. volume:54 year:2023 number:1 day:17 month:01
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topic_facet	Peritoneal carcinomatosis Peritoneal metastasis Omental cake PET/CT
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The presence of peritoneal neoplastic spread alters tumour staging and is one of the most significant prognostic indicators in several malignancies, and the purpose of this study was to highlight the diagnostic value of PET/CT in detection of peritoneal carcinomatosis in patients with malignant neoplastic disease. Results PET/CT has 76.2% sensitivity, 88.9% specificity, 94.1% PPV, 61.5% NPV and 80% accuracy in detection of peritoneal carcinomatosis. Different patterns of FDG uptake of peritoneal carcinomatosis were found such as focal nodular uptake, diffuse abdominal uptake and liver surface focal or diffuse uptake. From all these different patterns, focal nodular uptake was the most frequent pattern. The best cut-off value of SUVmax was 5 for diagnosis. Conclusions The study affirms the significant role of PET/CT in the diagnosis of peritoneal carcinomatosis and its important value in the staging, management and follow-up of patients with secondary peritoneal malignancies, especially in case of unavailable or inappropriate peritoneal biopsy. 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author	Darweesh, Ahmed Abdelmonem
spellingShingle	Darweesh, Ahmed Abdelmonem misc Peritoneal carcinomatosis misc Peritoneal metastasis misc Omental cake misc PET/CT Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis
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topic_title	Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis Peritoneal carcinomatosis (dpeaa)DE-He213 Peritoneal metastasis (dpeaa)DE-He213 Omental cake (dpeaa)DE-He213 PET/CT (dpeaa)DE-He213
topic	misc Peritoneal carcinomatosis misc Peritoneal metastasis misc Omental cake misc PET/CT
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title	Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis
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title_full	Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis
author_sort	Darweesh, Ahmed Abdelmonem
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author_browse	Darweesh, Ahmed Abdelmonem Barakat, Ashraf F. Dawoud, Mohamed Fathy Shaban, Ekhlas Abdelmonem
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title_sort	diagnostic value of positron emission tomography/computed tomography (pet/ct) in detection of peritoneal carcinomatosis
title_auth	Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis
abstract	Background The diagnosis of peritoneal carcinomatosis is challenging and can be difficult to detect with imaging, especially the detection of small-sized peritoneal lesions. The presence of peritoneal neoplastic spread alters tumour staging and is one of the most significant prognostic indicators in several malignancies, and the purpose of this study was to highlight the diagnostic value of PET/CT in detection of peritoneal carcinomatosis in patients with malignant neoplastic disease. Results PET/CT has 76.2% sensitivity, 88.9% specificity, 94.1% PPV, 61.5% NPV and 80% accuracy in detection of peritoneal carcinomatosis. Different patterns of FDG uptake of peritoneal carcinomatosis were found such as focal nodular uptake, diffuse abdominal uptake and liver surface focal or diffuse uptake. From all these different patterns, focal nodular uptake was the most frequent pattern. The best cut-off value of SUVmax was 5 for diagnosis. Conclusions The study affirms the significant role of PET/CT in the diagnosis of peritoneal carcinomatosis and its important value in the staging, management and follow-up of patients with secondary peritoneal malignancies, especially in case of unavailable or inappropriate peritoneal biopsy. Therefore, PET/CT could help reduce the number of laparotomies and a better selection of patients who are candidates for adjuvant chemotherapy. © The Author(s) 2023
abstractGer	Background The diagnosis of peritoneal carcinomatosis is challenging and can be difficult to detect with imaging, especially the detection of small-sized peritoneal lesions. The presence of peritoneal neoplastic spread alters tumour staging and is one of the most significant prognostic indicators in several malignancies, and the purpose of this study was to highlight the diagnostic value of PET/CT in detection of peritoneal carcinomatosis in patients with malignant neoplastic disease. Results PET/CT has 76.2% sensitivity, 88.9% specificity, 94.1% PPV, 61.5% NPV and 80% accuracy in detection of peritoneal carcinomatosis. Different patterns of FDG uptake of peritoneal carcinomatosis were found such as focal nodular uptake, diffuse abdominal uptake and liver surface focal or diffuse uptake. From all these different patterns, focal nodular uptake was the most frequent pattern. The best cut-off value of SUVmax was 5 for diagnosis. Conclusions The study affirms the significant role of PET/CT in the diagnosis of peritoneal carcinomatosis and its important value in the staging, management and follow-up of patients with secondary peritoneal malignancies, especially in case of unavailable or inappropriate peritoneal biopsy. Therefore, PET/CT could help reduce the number of laparotomies and a better selection of patients who are candidates for adjuvant chemotherapy. © The Author(s) 2023
abstract_unstemmed	Background The diagnosis of peritoneal carcinomatosis is challenging and can be difficult to detect with imaging, especially the detection of small-sized peritoneal lesions. The presence of peritoneal neoplastic spread alters tumour staging and is one of the most significant prognostic indicators in several malignancies, and the purpose of this study was to highlight the diagnostic value of PET/CT in detection of peritoneal carcinomatosis in patients with malignant neoplastic disease. Results PET/CT has 76.2% sensitivity, 88.9% specificity, 94.1% PPV, 61.5% NPV and 80% accuracy in detection of peritoneal carcinomatosis. Different patterns of FDG uptake of peritoneal carcinomatosis were found such as focal nodular uptake, diffuse abdominal uptake and liver surface focal or diffuse uptake. From all these different patterns, focal nodular uptake was the most frequent pattern. The best cut-off value of SUVmax was 5 for diagnosis. Conclusions The study affirms the significant role of PET/CT in the diagnosis of peritoneal carcinomatosis and its important value in the staging, management and follow-up of patients with secondary peritoneal malignancies, especially in case of unavailable or inappropriate peritoneal biopsy. Therefore, PET/CT could help reduce the number of laparotomies and a better selection of patients who are candidates for adjuvant chemotherapy. © The Author(s) 2023
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title_short	Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis
url	https://dx.doi.org/10.1186/s43055-023-00965-7
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author2	Barakat, Ashraf F. Dawoud, Mohamed Fathy Shaban, Ekhlas Abdelmonem
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up_date	2024-07-03T23:11:08.505Z
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Diagnostic value of positron emission tomography/computed tomography (PET/CT) in detection of peritoneal carcinomatosis

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