“…Acanthocheilonema spirocauda has been located in the heart in most studies (Leidy 1858, Freund 1933, Anderson 1959, van den Broek & Wensvoort 1959, Menschel et al 1966, Helle & Blix 1973, Sweeney 1973, Lauckner 1985, Breuer et al 1988, Kennedy et al 1989, Skirnisson & Olafsson 1990, Lunneryd 1992, more specifically in the right ventricle (Anderson 1959, Brown et al 1960, Delamure & Treshchev 1966, MacDonald & Gilchrist 1969, Wipper 1974, Dunn & Wolke 1976b, Dailey 1978, Geraci 1978, Conlogue et al 1980, Eley 1981, Reijnders et al 1981, Shults 1982, van der Kamp 1987, Measures et al 1997, but it has also been found in the pulmonary artery (Anderson 1959, Delamure & Treshchev 1966, Menschel et al 1966, MacDonald & Gilchrist 1969, Dunn & Wolke 1976b, Stroud & Dailey 1978, Conlogue et al 1980, Eley 1981, Reijnders et al 1981, van der Kamp 1987, Measures et al 1997, in the vena cava caudalis (Borgesteede et al 1991), in the chorda tendineae and truncus pulmonalis …”