A morphological classification of the fat particles found in the urinary sediment of patients with Fabry disease
© 2021 Walter de Gruyter GmbH, Berlin/Boston..
OBJECTIVES: The search in the urinary sediment (U-sed) of fat particles with peculiar morphology is a simple and inexpensive tool for the diagnosis of Fabry disease (FD) nephropathy. In this study we investigated the morphology of a high number of such fat particles with the aim to obtain a morphological classification to be used for their identification.
METHODS: Study of the morphology of fat particles in the U-sed of a cohort of FD patients using: bright field plus phase contrast microscopy (BF + PC), polarized light microscopy (POL), and transmission electron microscopy (TEM). Comparison of these results with those obtained for the fat particles seen in the U-sed of a control group (CG) of patients with non-FD glomerulopathies.
RESULTS: FD: 18 U-sed from six patients (three samples/patient) were prospectively investigated and 506 fat particles identified. With BF + PC, these were classified in eight morphological categories (seven of which were confirmed by TEM), and with POL in 10 others. CG: eight U-sed from eight patients were investigated and 281 fat particles identified. These fell into four BF + PC morphological categories and into eight POL categories. While some categories were significantly more frequent in FD others were more frequent in the CG.
CONCLUSIONS: Our study demonstrates that 1. The morphology of fat particles found in the U-sed of FD patients is much wider and complex than that described so far 2. Several significant differences exist in the morphology of such fat particles between FD and CG patients.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:59 |
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| Enthalten in: |
Clinical chemistry and laboratory medicine - 59(2021), 11 vom: 26. Okt., Seite 1832-1843 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Fogazzi, Giovanni B [VerfasserIn] |
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| Links: |
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| Themen: |
Fabry disease |
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| Anmerkungen: |
Date Completed 15.03.2022 Date Revised 15.03.2022 published: Electronic-Print Citation Status MEDLINE |
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| doi: |
10.1515/cclm-2021-0079 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM327719958 |
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| 100 | 1 | |a Fogazzi, Giovanni B |e verfasserin |4 aut | |
| 245 | 1 | 2 | |a A morphological classification of the fat particles found in the urinary sediment of patients with Fabry disease |
| 264 | 1 | |c 2021 | |
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| 500 | |a Date Completed 15.03.2022 | ||
| 500 | |a Date Revised 15.03.2022 | ||
| 500 | |a published: Electronic-Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2021 Walter de Gruyter GmbH, Berlin/Boston. | ||
| 520 | |a OBJECTIVES: The search in the urinary sediment (U-sed) of fat particles with peculiar morphology is a simple and inexpensive tool for the diagnosis of Fabry disease (FD) nephropathy. In this study we investigated the morphology of a high number of such fat particles with the aim to obtain a morphological classification to be used for their identification | ||
| 520 | |a METHODS: Study of the morphology of fat particles in the U-sed of a cohort of FD patients using: bright field plus phase contrast microscopy (BF + PC), polarized light microscopy (POL), and transmission electron microscopy (TEM). Comparison of these results with those obtained for the fat particles seen in the U-sed of a control group (CG) of patients with non-FD glomerulopathies | ||
| 520 | |a RESULTS: FD: 18 U-sed from six patients (three samples/patient) were prospectively investigated and 506 fat particles identified. With BF + PC, these were classified in eight morphological categories (seven of which were confirmed by TEM), and with POL in 10 others. CG: eight U-sed from eight patients were investigated and 281 fat particles identified. These fell into four BF + PC morphological categories and into eight POL categories. While some categories were significantly more frequent in FD others were more frequent in the CG | ||
| 520 | |a CONCLUSIONS: Our study demonstrates that 1. The morphology of fat particles found in the U-sed of FD patients is much wider and complex than that described so far 2. Several significant differences exist in the morphology of such fat particles between FD and CG patients | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Fabry disease | |
| 650 | 4 | |a urinalysis | |
| 650 | 4 | |a urinary lipids | |
| 650 | 4 | |a urinary microscopy | |
| 650 | 4 | |a urinary sediment | |
| 700 | 1 | |a Garigali, Giuseppe |e verfasserin |4 aut | |
| 700 | 1 | |a Pieruzzi, Federico |e verfasserin |4 aut | |
| 700 | 1 | |a Corbelli, Alessandro |e verfasserin |4 aut | |
| 700 | 1 | |a Fiordaliso, Fabio |e verfasserin |4 aut | |
| 700 | 1 | |a Consonni, Dario |e verfasserin |4 aut | |
| 700 | 1 | |a Messa, Piergiorgio |e verfasserin |4 aut | |
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