Molecular Analysis of T-Cell Clonality
Patient No. . | Samples . | Histology . | TCR Status . |
---|---|---|---|
Complicated CD | |||
1 | Duodenum and jejunum | Consistent with untreated CD | C (Vγ3-Jγ)* |
MLN/Accessory spleen | Normal | C (Vγ3-Jγ)* | |
2 | Duodenum | Consistent with untreated CD | C (VγI-Jγ) |
Jejunum (108 days later) | Ulcerative jejunitis | C (VγI-Jγ) | |
3 | Duodenum | Consistent with untreated CD | C (VγI-Jγ; Vγ9-Jγ)* |
Colon (30 months later) | Small lymphocyte infiltration | C (VγI-Jγ; Vγ9-Jγ)* | |
MLN (30 months later) | Small lymphocyte infiltration | C (VγI-Jγ) | |
4 | Duodenum | Consistent with untreated CD + ulcerations | C (Vγ8-Jγ)* |
Jejunum (30 days later) | Consistent with untreated CD | C (Vγ8-Jγ)* | |
Peripheral blood (64 days later) | Large-cell lymphoma | C (Vγ8-Jγ)* | |
Untreated CD responsive to GFD | |||
5 | Duodenum | Consistent with untreated CD | P |
6 | Duodenum | Consistent with untreated CD | P |
7 | Duodenum | Consistent with untreated CD | P |
8 | Duodenum | Consistent with untreated CD | P |
9 | Duodenum | Consistent with untreated CD | P |
10 | Duodenum | Consistent with untreated CD | P |
11 | Duodenum | Consistent with untreated CD | O (faint bands) |
Controls | |||
12 | Duodenum | Normal villous architecture | P |
13 | Duodenum | Normal villous architecture | O (strong bands) |
14 | Duodenum | Normal villous architecture | O (faint bands) |
15 | Duodenum | Normal villous architecture | P |
Patient No. . | Samples . | Histology . | TCR Status . |
---|---|---|---|
Complicated CD | |||
1 | Duodenum and jejunum | Consistent with untreated CD | C (Vγ3-Jγ)* |
MLN/Accessory spleen | Normal | C (Vγ3-Jγ)* | |
2 | Duodenum | Consistent with untreated CD | C (VγI-Jγ) |
Jejunum (108 days later) | Ulcerative jejunitis | C (VγI-Jγ) | |
3 | Duodenum | Consistent with untreated CD | C (VγI-Jγ; Vγ9-Jγ)* |
Colon (30 months later) | Small lymphocyte infiltration | C (VγI-Jγ; Vγ9-Jγ)* | |
MLN (30 months later) | Small lymphocyte infiltration | C (VγI-Jγ) | |
4 | Duodenum | Consistent with untreated CD + ulcerations | C (Vγ8-Jγ)* |
Jejunum (30 days later) | Consistent with untreated CD | C (Vγ8-Jγ)* | |
Peripheral blood (64 days later) | Large-cell lymphoma | C (Vγ8-Jγ)* | |
Untreated CD responsive to GFD | |||
5 | Duodenum | Consistent with untreated CD | P |
6 | Duodenum | Consistent with untreated CD | P |
7 | Duodenum | Consistent with untreated CD | P |
8 | Duodenum | Consistent with untreated CD | P |
9 | Duodenum | Consistent with untreated CD | P |
10 | Duodenum | Consistent with untreated CD | P |
11 | Duodenum | Consistent with untreated CD | O (faint bands) |
Controls | |||
12 | Duodenum | Normal villous architecture | P |
13 | Duodenum | Normal villous architecture | O (strong bands) |
14 | Duodenum | Normal villous architecture | O (faint bands) |
15 | Duodenum | Normal villous architecture | P |
Parentheses indicate the oligonucleotides with which monoclonal rearrangements were demonstrated.
The Vγ segments used were determined using Vγ specific PCR experiments and confirmed by sequencing.
Abbreviations: C, monoclonal rearrangements; P, polyclonal pattern; O, oligoclonal pattern; MLN, mesenteric lymph nodes.