Mebendazole treatment persistently alters the size profile and morphology of Trichuris trichiura eggs
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Mebendazole treatment persistently alters the size profile and morphology of Trichuris trichiura eggs. / Nejsum, Peter; Andersen, Kasper Lind; Andersen, Sidsel Dahl; Thamsborg, Stig Milan; Tejedor, Ana Merino.
I: Acta Tropica, Bind 204, 105347, 2020.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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T1 - Mebendazole treatment persistently alters the size profile and morphology of Trichuris trichiura eggs
AU - Nejsum, Peter
AU - Andersen, Kasper Lind
AU - Andersen, Sidsel Dahl
AU - Thamsborg, Stig Milan
AU - Tejedor, Ana Merino
PY - 2020
Y1 - 2020
N2 - The soil transmitted whipworm, Trichuris trichiura affects about half a billion people globally. Diagnosis is based on identification of characteristic lemon-shaped eggs in stool samples. Occasionally large Trichuris eggs have been reported and have been ascribed to variation within T. trichiura or zoonotic infection with T. vulpis from dogs. We observed that the egg size profile changed markedly after anthelmintic treatment, and remained so, in a human individual self-infected with T. trichiura. The large eggs were detected with two standard diagnostic methods, Kato-Katz thick smear and salt-flotation (McMaster) method. It is therefore important to bear in mind that the morphology of parasite eggs may vary, e.g. in response to previous drug treatment. Large Trichuris eggs in human stool samples should not be diagnosed as T. vulpis infection without confirmation by other means.
AB - The soil transmitted whipworm, Trichuris trichiura affects about half a billion people globally. Diagnosis is based on identification of characteristic lemon-shaped eggs in stool samples. Occasionally large Trichuris eggs have been reported and have been ascribed to variation within T. trichiura or zoonotic infection with T. vulpis from dogs. We observed that the egg size profile changed markedly after anthelmintic treatment, and remained so, in a human individual self-infected with T. trichiura. The large eggs were detected with two standard diagnostic methods, Kato-Katz thick smear and salt-flotation (McMaster) method. It is therefore important to bear in mind that the morphology of parasite eggs may vary, e.g. in response to previous drug treatment. Large Trichuris eggs in human stool samples should not be diagnosed as T. vulpis infection without confirmation by other means.
KW - Anthelmintic treatment
KW - Diagnostics
KW - Egg size
KW - Kato Katz
KW - McMaster
KW - Trichuris trichiura
U2 - 10.1016/j.actatropica.2020.105347
DO - 10.1016/j.actatropica.2020.105347
M3 - Journal article
C2 - 31954684
AN - SCOPUS:85079357102
VL - 204
JO - Acta Tropica
JF - Acta Tropica
SN - 0001-706X
M1 - 105347
ER -
ID: 236714846