Masumi Kazunori
Kadoya, MD Arai, MD
Ciliated Radlololc
#{149} Osamu
Matsui, MD #{149} Yasuni Nakanuma, Takashima, MD #{149} Masako Amano,
Tsutomu
#{149}
Index
terms:
plasms,
Liver,
diagnosis,
Radiology
1990;
cysts, 761.312
#{149} Liver
neo-
761.312
C
cysts
ILIATED
chogenic cysts, this hepatic cyst was designated ciliated hepatic foregut cyst (CHFC) (3). To our knowledge, imaging findings of this entity have not been described. Herein, we present the madiologic features from three CHFCS that were not similar to other nonparasitic cysts, but rather mimicked solid masses on the images obtained.
CASE tive
serologic
antigen
findings
underwent
examination.
an ultrasound
US revealed
the Department
of Radiology
(M. Ka-
doya, O.M., J.Y., K.A., T.T.) and the Second Dcpartment of Pathology (Y.N.), Kanazawa University School of Medicine, 13-i Takara-machi, Kanazawa, Japan 920; the Department of Radi-
ology, (MA.);
Komatsu and
the
City Hospital, Department
Komatsu,
Japan
of Radiology,
Na-
kamura Hospital, Takefu, Japan (M. Kimuna). Received July 6, 1989; revision requested July 31; revision received January 8, 1990; accepted January 12. Address reprint requests to M. Kadoya. c RSNA,
1990
(US)
a well-delineat-
ed hypoechoic mass, 2 X 3 cm in size, in the liver (Fig la). It was located in the medial segment of the left lobe, just beneath surface. liver
US also depicted the with increased echo-
indicating
fatty
liven.
Unen-
(CT) scans appeared
hyperattenuating
relative
liver
(Fig ib). The attenua-
parenchyma
tion value of the lesion contrast material-enhanced sion was not enhanced
showed
no significant
The lesion was cause the possibility plasm
could
not
ed specimen lesion
containing
80 HU. At CT, this le-
and appeared to surrounding celiac angiogra-
isoattenuating relative liver (Fig ic). Selective phy
to surrounding was
resected
findings. surgically
of hypovascu!ar
be excluded.
revealed
diagnosis
at histopathologic
study
CHFC (Fig id). Case 2.-A 69-year-old
man
was
suffering
from right flank pain underwent US cxamination. US revealed an anechoic to hypoechoic small mass, 2 X 2 cm in size, in the medial segment adjacent to the sun-
face of the liver did not although enhanced
(Fig 2a). Unenhanced
CT
demonstrate the lesion (Fig 2b), it appeared hypoattenuating at CT (Fig 2c). A smaller lesion
was incidentally detected as a definitely hypoattenuating area in the lateral segment at both unenhanced and contrast material-enhanced CT (Fig 2b, 2c). The lesion was considered to be a simple cyst because the attenuation value was definitely low on enhanced
were
(
Kadoya, MD Arai, MD
Ciliated Radlololc
#{149} Osamu
Matsui, MD #{149} Yasuni Nakanuma, Takashima, MD #{149} Masako Amano,
Tsutomu
#{149}
Index
terms:
plasms,
Liver,
diagnosis,
Radiology
1990;
cysts, 761.312
#{149} Liver
neo-
761.312
C
cysts
ILIATED
chogenic cysts, this hepatic cyst was designated ciliated hepatic foregut cyst (CHFC) (3). To our knowledge, imaging findings of this entity have not been described. Herein, we present the madiologic features from three CHFCS that were not similar to other nonparasitic cysts, but rather mimicked solid masses on the images obtained.
CASE tive
serologic
antigen
findings
underwent
examination.
an ultrasound
US revealed
the Department
of Radiology
(M. Ka-
doya, O.M., J.Y., K.A., T.T.) and the Second Dcpartment of Pathology (Y.N.), Kanazawa University School of Medicine, 13-i Takara-machi, Kanazawa, Japan 920; the Department of Radi-
ology, (MA.);
Komatsu and
the
City Hospital, Department
Komatsu,
Japan
of Radiology,
Na-
kamura Hospital, Takefu, Japan (M. Kimuna). Received July 6, 1989; revision requested July 31; revision received January 8, 1990; accepted January 12. Address reprint requests to M. Kadoya. c RSNA,
1990
(US)
a well-delineat-
ed hypoechoic mass, 2 X 3 cm in size, in the liver (Fig la). It was located in the medial segment of the left lobe, just beneath surface. liver
US also depicted the with increased echo-
indicating
fatty
liven.
Unen-
(CT) scans appeared
hyperattenuating
relative
liver
(Fig ib). The attenua-
parenchyma
tion value of the lesion contrast material-enhanced sion was not enhanced
showed
no significant
The lesion was cause the possibility plasm
could
not
ed specimen lesion
containing
80 HU. At CT, this le-
and appeared to surrounding celiac angiogra-
isoattenuating relative liver (Fig ic). Selective phy
to surrounding was
resected
findings. surgically
of hypovascu!ar
be excluded.
revealed
diagnosis
at histopathologic
study
CHFC (Fig id). Case 2.-A 69-year-old
man
was
suffering
from right flank pain underwent US cxamination. US revealed an anechoic to hypoechoic small mass, 2 X 2 cm in size, in the medial segment adjacent to the sun-
face of the liver did not although enhanced
(Fig 2a). Unenhanced
CT
demonstrate the lesion (Fig 2b), it appeared hypoattenuating at CT (Fig 2c). A smaller lesion
was incidentally detected as a definitely hypoattenuating area in the lateral segment at both unenhanced and contrast material-enhanced CT (Fig 2b, 2c). The lesion was considered to be a simple cyst because the attenuation value was definitely low on enhanced
were
(
