|
table 2
The Normal Adult Human Liver Biopsy: A Quantitative Reference Standard
| table 2. Number
of Portal Tracts, Terminal Hepatic Veins, and Solitary Bile Duct Profiles
or Cuboidal Strings of Cells per Biopsy |
|
| Structure |
Average |
Total |
Range |
95% Confidence Interval |
|
| Portal tracts |
21 ± 10 |
338 |
5-38 |
16-26 |
| Portal triads |
11 ± 6 |
175 |
3-23 |
8-14 |
| Portal dyads |
8 ± 5 |
133 |
1-18 |
6-11 |
| BD1 + HA |
7 ± 5 |
109 |
1-17 |
4-9 |
| BD1 + PV |
1 ± 1 |
14 |
0-2 |
0-1 |
| HA + PV |
1 ± 1 |
10 |
0-2 |
0-1 |
| Terminal hepatic veins |
7 ± 5 |
115 |
0-15 |
5-10 |
| Solitary bile ducts |
4 ± 6 |
67 |
0-21 |
2-7 |
| Cuboidal strings |
5 ± 5 |
81 |
0-16 |
3-8 |
|
| NOTE. Among portal tracts, the number of traditional
portal triads is given, along with nontraditional dyads composed of
interlobular bile ducts (BD1) and hepatic arteries (HA), interlobular
bile ducts and portal vein (PV), or hepatic artery and portal vein.
The total number of structures observed also is given, along with
the numerical range and 95% confidence intervals of structures observed
per biopsy. |
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