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Original Article

Hodgkin's Disease, Lymphomatoid Papulosis, and Cutaneous T-Cell Lymphoma Derived from a Common T-Cell Clone

Thomas H. Davis, M.D., Cynthia C. Morton, Ph.D., Robert Miller-Cassman, M.D., Steven P. Balk, M.D., Ph.D., and Marshall E. Kadin, M.D.

N Engl J Med 1992; 326:1115-1122April 23, 1992

Abstract
Abstract

Background.

Lymphomatoid papulosis is a benign cutaneous eruption that in 10 to 20 percent of patients is associated with the development of lymphoma. The atypical cells of lymphomatoid papulosis histologically resemble the malignant cells of cutaneous T-cell lymphoma or the Reed-Sternberg cells of Hodgkin's disease. We studied a patient in whom lymphomatoid papulosis developed in 1971, Hodgkin's disease in 1975, and cutaneous T-cell lymphoma in 1985, to determine whether these diseases are clonally related.

Methods.

The T-cell–receptor α-chain gene was cloned and sequenced from a cell line derived from the advanced-stage cutaneous T-cell lymphoma, and the polymerase chain reaction was used to search for this rearrangement of the α-chain gene in tissues obtained earlier that were affected by Hodgkin's disease or lymphomatoid papulosis.

Results.

The tumor-specific rearrangement of the α-chain gene was detected in the patient's earlier tissues affected by lymphomatoid papulosis and Hodgkin's disease, but not in control tissue, including uninvolved tissues from the staging laparotomy for Hodgkin's disease. Cytogenetic studies revealed a translocation, t(8;9)(p22;p24), in cutaneous T-cell lymphoma lines and in a dermatopathic lymph node removed two years before the clinical onset of the cutaneous T-cell lymphoma. Immunohistochemical findings were consistent with an activated T-cell phenotype for the atypical cells of lymphomatoid papulosis, the Reed-Sternberg cells of Hodgkin's disease, and the malignant cells of the T-cell lymphoma.

Conclusions.

Lymphomatoid papulosis, Hodgkin's disease, and cutaneous T-cell lymphoma can be derived from a single T-cell clone. A t(8;9) genetic translocation may be involved in the pathogenesis of lymphomatoid papulosis or its progression to malignant disease. (N Engl J Med 1992;326:1115–22.)

Media in This Article

Figure 1T-Cell–Receptor α-Chain Complementary DNA Cloned from the Mac-2B Cell Line.
Figure 2Sections of a Skin Lesion Obtained in 1971, When the Patient Had Type A Lymphomatoid Papulosis.
Article

IN some patients Hodgkin's disease or non-Hodgkin's lymphoma is associated with a second lymphoproliferative disease, either benign or malignant. One such benign lymphoproliferative disease is lymphomatoid papulosis, a recurrent, multifocal cutaneous eruption characterized pathologically as an infiltration of large atypical cells surrounded by inflammatory cells.1 The atypical cells resemble the Reed–Sternberg cells of Hodgkin's disease or the Sézary cells of cutaneous T-cell lymphoma2 and have the immunophenotype of activated T cells.3 , 4 Clonal rearrangements of T-cell–receptor genes have been detected in lesions from some patients,5 6 7 with separate lesions showing identical6 , 7 or distinct5 patterns of rearrangement, suggesting that lymphomatoid papulosis may be either a monoclonal or a multiclonal lymphoproliferative disorder. Approximately 10 to 20 percent of the cases of lymphomatoid papulosis precede or follow a malignant lymphoma, usually cutaneous T-cell lymphoma, Hodgkin's disease, or the recently described Ki-1+ (CD30+) anaplastic large-cell lymphoma.8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 This report describes a patient who presented with lymphomatoid papulosis and in whom Hodgkin's disease and a CD30+ cutaneous T-cell lymphoma subsequently developed. We demonstrate here that cells with an identical rearrangement of the T-cell–receptor α-chain gene were present in all three diseases, providing direct evidence that atypical T lymphocytes in lymphomatoid papulosis and malignant cells in Hodgkin's disease and cutaneous T-cell lymphoma can all arise from a common T-cell clone.

Case Report

A 31-year-old white man presented in 1971 with a rash on the right flank, diagnosed by biopsy as mycosis fungoides, for which he received external-beam irradiation. In 1975, bilateral inguinal lymphadenopathy developed. Biopsies revealed Hodgkin's disease of the mixed-cellularity type, determined to be pathological Stage IIA. Irradiation with 4500 cGy to mantle and inverted-Y fields resulted in a complete response. In the ensuing eight years the patient had recurrent skin nodules that regressed spontaneously. In 1983 a biopsy of skin nodules revealed large cells resembling Reed–Sternberg cells, surrounded by inflammatory cells. A diagnosis of lymphomatoid papulosis of histologic type A was made, and the results of the skin biopsies from 1971 were reinterpreted as showing lymphomatoid papulosis. Biopsies of enlarged lymph nodes performed in 1983 showed only dermatopathic lymphadenopathy, but chromosomal analysis of this tissue showed a translocation, t(8;9)(p22;p24), in 20 percent of the cells in metaphase. In 1985 erythroderma with circulating Sézary-like cells developed, and skin nodules continued to appear and regress spontaneously. Biopsies of several skin nodules again showed type A lymphomatoid papulosis, and biopsies of the erythroderma revealed cutaneous T-cell lymphoma. Cytogenetic analysis of the Sézary-like cells showed the t(8;9)(p22;p24) translocation. In 1987 ulcerating skin lesions developed, which contained numerous large cells consistent with progression to a large-cell lymphoma. The patient died from complications of lymphoma in 1988. Autopsy revealed the infiltration of retroperitoneal lymph nodes by a CD30+ anaplastic large-cell lymphoma.

Methods

Biopsy specimens obtained from the skin lesion in 1971, the inguinal lymph node in 1975, and the lymph nodes removed at autopsy in 1988 were fixed in formalin and embedded in paraffin, and immunohistochemical staining was performed with antibodies BerH2 (CD30), Leu-M1 (CD 15), Leu-4 (CD3), βF1 (T-cell–receptor framework antigen), Leu-22 (CD43), OPD-4 (T-cell antigen with no CD assigned), and L26 (CD20). Skin-biopsy specimens obtained in 1983, 1985, and 1987 were fixed in B5 or formalin for histologic examination and in paraformaldehyde—lysine—periodate (PLP) for immunohistochemical analysis25 with antibodies against activation antigens Ki-1 (CD30), Leu-Ml, Tac (CD25), T9 (CD71), and HLA-DR; T-cell antigens Leu-5 (CD2), Leu-4, Leu-3 (CD4), Leu-1 (CD5), Leu-9 (CD7), and Leu-2 (CD8); and B-cell antigens B1 (CD20) and B4 (CD19).

Cell line Mac-1 was started in 1985 from circulating Sézary-like cells in the peripheral blood. Cell lines Mac-2A and Mac-2B were started from separate skin-tumor nodules in 1987. All the cell lines were grown in RPMI-1640 medium with 15 percent fetal-calf serum. The preparation of chromosomes in metaphase from tissues and cell lines was performed according to standard cytogenetic methods.26 27 28 29 Cytospins of cell lines were fixed in acetone and stained with the same antibodies as the PLP-fixed tissues, plus βF1.

The T-cell–receptor α-chain gene was cloned from the Mac-2B cell line by a modification of the single-sided polymerase-chain-reaction (PCR) method of amplification30 and was sequenced. To test for the presence of this rearrangement of the T-cell–receptor α-chain gene in earlier samples of tissue, PCR amplification was performed on DNA extracted from paraffin-embedded tissues,31 with use of primers specific for the Mac-2B T-cell–receptor α-chain variable (V) and joining (J) regions (Fig. 1Figure 1T-Cell–Receptor α-Chain Complementary DNA Cloned from the Mac-2B Cell Line.). Reactions were carried out in a 50-μl volume with 1.25 units of Taq DNA polymerase (Promega, Madison, Wis.), PCR buffer supplied by the manufacturer, 0.2 mmol of deoxynucleotide triphosphates per liter, and 10 pmol of each primer. Forty cycles of denaturation at 94°C for 60 seconds, annealing at 55°C for 60 seconds, and extension at 72°C for 60 seconds were performed in an automated thermal cycler (Perkin—Elmer Cetus, Norwalk, Conn.). PCR-amplified DNA was electrophoresed in agarose, transferred to nylon membranes (Biotrans, ICN Biomedicals, Costa Mesa, Calif), and hybridized with a probe spanning the N region of Mac-2B (Fig. 1). To verify the presence of amplifiable DNA, amplification was carried out with primers specific for the constant region of the T-cell–receptor β-chain gene32 (GCTGTGTTTGAGCCATCAGAAGCA, sense; and CCTGGTAGCTGGTCTCACCTA, antisense), and Southern blots of the amplified DNA were hybridized with an internal probe (GCCTTTTGGGTGTGGGAGAT, antisense). T-cell–receptor α-chain DNA amplified by PCR was cloned into pBluescript (Stratagene, La Jolla, Calif.) for sequencing.

Results

Pathology

The nodular skin lesions from 1971, 1983, and 1985 were consistent with lymphomatoid papulosis, type A, of Willemze et al.2 (Fig. 2AFigure 2Sections of a Skin Lesion Obtained in 1971, When the Patient Had Type A Lymphomatoid Papulosis.). The lesions contained atypical cells with variable amounts of amphophilic cytoplasm, large vesicular nuclei, and prominent nucleoli; some resembled the Reed–Sternberg cells of Hodgkin's disease (Fig. 2B). The atypical cells in paraffin sections were positive for CD30 (Fig. 2C), and negative for CD43, CD3, and βF1. Frozen sections of the lesion examined by biopsy in 1983 showed staining of the atypical cells for CD30, CD15, CD25, CD71, and HLA-DR. The atypical cells in the 1985 specimen were positive for CD2 as well. This activated T-cell phenotype is characteristic of the large atypical cells in lymphomatoid papulosis.3

The erythrodermic skin obtained in 1985 revealed a subepidermal and focally epidermotropic lymphoid infiltrate containing large cerebriform lymphocytes, immunoblasts, small lymphocytes, eosinophils, and plasma cells. The thickened epidermis contained foci of cerebriform cells characteristic of cutaneous T-cell lymphoma (Fig. 3AFigure 3Section of a Skin Lesion and Smear of Peripheral Blood, Obtained in 1985, When the Patient Had Cutaneous T-Cell Lymphoma.). Peripheral blood contained lymphocytes with cerebriform nuclei consistent with Sézary cells (Fig. 3B). Skin lesions that underwent biopsy in 1987 showed numerous large immunoblasts, consistent with a large-cell lymphoma (data not shown).

Inguinal lymph nodes biopsied in 1975 showed diagnostic Reed–Sternberg cells in a mixed cellular infiltrate, characteristic of mixed-cellularity Hodgkin's disease (Fig. 4AFigure 4Reed–Sternberg Cells in a Lymph Node Obtained in 1975, When the Patient Had Hodgkin's Disease.). The Reed–Sternberg cells expressed Hodgkin-associated antigens CD30 (Fig. 4B) and CD15 and T-cell antigens CD43 (Fig. 4C) and the OPD-4 epitope, but they were negative for B-cell antigen CD20. There were no lymphocytes with cerebriform nuclei that could be interpreted as cutaneous T-cell lymphoma cells. Enlarged inguinal and axillary lymph nodes removed in 1983 showed only dermatopathic lymphadenopathy. Autopsy in 1988 revealed large retroperitoneal lymph nodes with dense bands of collagen surrounding abnormal lymphoid nodules (Fig. 5AFigure 5Ki-1+ (CD30+) Anaplastic Large-Cell Lymphoma in a Retroperitoneal Lymph Node Obtained at Autopsy in 1988 (Hematoxylin–Eosin Staining).). These nodules contained Reed–Sternberg cells (Fig. 5B) that were positive for CD30 and CD15. This pattern was consistent with nodular sclerosing Hodgkin's disease except for numerous anaplastic tumor cells filling lymph-node sinuses (Fig. 5C). Because of the latter feature, which is uncharacteristic of Hodgkin's disease, the lymph nodes examined at autopsy were interpreted as indicating a CD30+ anaplastic large-cell lymphoma.17 18 19 20 , 33

Cell Lines and Cytogenetic Analysis

Each cell line contained small lymphocytes and larger cells resembling Reed–Sternberg cells. Lines Mac-2A and Mac-2B, which were derived from the later lymphoma, had a higher percentage of large cells. The cell line derived from circulating Sézary-like cells, Mac-1, had the phenotype of activated helper T cells, expressing CD30, CD2, and CD4. Mac-2A and Mac-2B were also positive for CD30 and additionally positive for CD15, but no longer expressed CD2 and CD4. Chromosomal analysis of all three cell lines revealed a consistent cytogenetically balanced translocation, t(8;9)(p22;p24), identical to the t(8;9) translocation detected in the dermatopathic lymph node from 1983 and in the Sézary-like cells from 1985. Numerous additional chromosomal abnormalities were seen in lines Mac-2A and Mac-2B.

Rearrangements of the T-Cell–Receptor α-Chain Gene

Molecular cloning of the T-cell–receptor gene from the Mac-2B cell line was used to establish the relation between the patient's cutaneous T-cell lymphoma and the earlier lymphomatoid papulosis and Hodgkin's disease. The complementary DNA encoding the functionally rearranged T-cell–receptor α chain (Fig. 1) and the nonfunctional α chain (data not shown) were isolated. The functional T-cell–receptor α chain used a variable-region gene, not previously described, rearranged to JαL, whereas the nonfunctional gene used Vα8.1.34 Northern blot analysis with a probe specific for the functional Mac-2B T-cell–receptor α-chain variable region showed that this chain was also expressed by the Mac-1 and Mac-2A cell lines (data not shown). These results were consistent with the cytogenetic evidence that all three cell lines were derived from a common T-cell clone.

Conventional Southern blot analysis could not be performed on the earlier tissue specimens because of the extensive fragmentation of DNA extracted from paraffin-embedded tissue and the low frequency of Reed–Sternberg cells in the samples affected by Hodgkin's disease. Therefore, to determine whether the rearrangement of the T-cell–receptor α-chain gene from the cutaneous T-cell lymphoma was present in the earlier lymphomatoid papulosis and Hodgkin's disease, PCR amplification of DNA extracted from these lesions was performed with primers specific for the variable- and joining-region segments of the Mac-2B T-cell–receptor α-chain gene. Southern blotting of the amplified DNA with an internal probe spanning the N region is shown in Figure 6AFigure 6Southern Blots of PCR Amplification of DNA Extracted from Tissue Samples.. Hybridization was seen with PCR products from two different paraffin blocks of the 1971 lesion due to lymphomatoid papulosis and from the 1975 lymph node affected by Hodgkin's disease, but not from a control sample. Analysis of histologically uninvolved lymph-node, liver, and spleen tissue from the 1975 laparotomy for the staging of Hodgkin's disease was negative (data not shown). The tissue obtained from the dermatopathic lymph node in 1983 was not available for analysis.

PCR amplification of a nonrearranged segment of the genome, the constant region of the T-cell–receptor β-chain gene, was used to estimate the relative amount of amplifiable DNA in each sample (Fig. 6B), and densitometry was performed on the Southern blots to determine the approximate ratios of specifically rearranged T-cell–receptor α-chain DNA to total DNA (Fig. 6). These ratios corresponded to the relative frequencies of atypical cells determined by microscopy and immunohistochemical analysis: the second sample affected by lymphomatoid papulosis (Fig. 6, lane B) had the highest percentage of atypical cells and the highest ratio of α-chain DNA to β-chain DNA, whereas the lymph node affected by Hodgkin's disease (Fig. 6, lane C), with its infrequent Reed–Sternberg cells, had the lowest ratio. These data were consistent with the derivation of the amplified T-cell–receptor α-chain product from atypical lymphomatoid papulosis cells and Reed–Sternberg cells.

To verify the identity of the amplified T-cell–receptor α-chain DNA detected by the N-region probe, the PCR products were cloned and sequenced. The sequence of the T-cell–receptor α chain cloned from both the 1971 lymphomatoid papulosis lesion and the 1975 tissue affected by Hodgkin's disease was identical to that of the Mac-2B cell line. This result confirmed that the T-cell clone containing the T-cell–receptor α chain of the cutaneous T-cell lymphoma was present in the earlier lesion due to lymphomatoid papulosis and the lymph node affected by Hodgkin's disease.

Discussion

These findings demonstrate that the T-cell clone that caused this patient's cutaneous T-cell lymphoma was present 14 years earlier in a lymphomatoid papulosis skin lesion and 10 years earlier in a lymph node affected by Hodgkin's disease. Several lines of evidence indicate that this T-cell clone corresponds to the large atypical cells of the lymphomatoid papulosis and to the Reed–Sternberg cells of the Hodgkin's disease. It is unlikely that this T-cell clone represents a second, concurrent lymphoproliferative disease, since such a disorder would have to have been widely disseminated in 1971 and 1975 and yet remained indolent for at least 14 years without systemic treatment. No evidence of a second lymphoproliferative disorder was detected histologically or immunohistochemically in the samples affected by lymphomatoid papulosis or Hodgkin's disease. Cytogenetic analyses performed repeatedly from 1983 through 1988, during which time both the lymphomatoid papulosis and the cutaneous T-cell lymphoma were active, detected only clonal derivatives of cells with the t(8;9) translocation, further indicating that no additional concurrent lymphoproliferative disorder was present. Finally, the amount of specifically rearranged T-cell–receptor α-chain PCR product corresponded to the number of atypical lymphomatoid papulosis and Reed–Sternberg cells, and this T-cell–receptor α-chain gene could not be amplified from tissue from the patient's histologically normal spleen, liver, or lymph nodes from the 1975 staging laparotomy.

Detection of a persistent T-cell clone in this patient's earliest known lesion due to lymphomatoid papulosis supports a monoclonal T-cell origin for this disease. Previous studies of rearrangements of the T-cell–receptor gene have suggested, however, that it may begin as a monoclonal6 , 7 or oligoclonal5 proliferation of atypical T lymphocytes, and one study failed to find any rearrangements in type A lymphomatoid papulosis.7 These data are not inconsistent with a monoclonal T-cell—lineage origin for lymphomatoid papulosis if one hypothesizes that an initiating genetic event may occur at a variable point in T-cell development, either before gene rearrangement, resulting in oligoclonal, polyclonal, or unrearranged T-cell–receptor genes, or after rearrangement, resulting in a monoclonal T-cell–receptor gene (Fig. 7Figure 7Models of the Development of Lymphomatoid Papulosis and Associated Malignant Lymphomas.).

The precise relation between lymphomatoid papulosis and the subsequent lymphomas in our patient is not clear. A direct linear progression (Fig. 7) seems unlikely. It is possible that the lymphomatoid papulosis produced two subclones that evolved independently into Hodgkin's disease and cutaneous T-cell lymphoma (Fig. 7), as previously hypothesized.24 We suggest a third, more general model, which posits the existence of an occult, abnormal T-cell clone, subclones of which acquired independent genetic abnormalities to produce lymphomatoid papulosis, Hodgkin's disease, and cutaneous T-cell lymphoma (Fig. 7). This model is consistent with the observation that lymphomatoid papulosis can precede, coexist with, or follow a malignant lymphoma, and that Hodgkin's disease has also been associated with non-Hodgkin's lymphomas in the absence of lymphomatoid papulosis or other premalignant conditions.8 9 10 11 12 13 14 15 16 Such an occult precursor clone may have been detected in the dermatopathic lymph node obtained in 1983, which contained cells with the t(8;9) translocation but no recognizable lymphoproliferative disease; these cells may have been too rare to be detected in normal tissues obtained in 1975.

The t(8;9) translocation was probably involved in the initiation or early progression of this patient's lymphoproliferative disease. A similar-appearing rearrangement of chromosome 9 at p22–23 was described in the only other T-cell lymphoma associated with lymphomatoid papulosis that has been karyotyped.15 Breakpoints in this region of chromosome 9 have been detected infrequently in non-Hodgkin's lymphomas of T-cell or null-cell phenotype35 36 37 and in Hodgkin's disease.38 A breakpoint on chromosome 8 at band p22–23 has been noted in five cases of large-cell lymphoma, two of which involved translocations to the short arm of chromosome 9,35 , 37 and in several cases of Hodgkin's disease.38

This study demonstrates a T-cell origin for this patient's Hodgkin's disease, on the basis of the detection of a clonal rearrangement of the T-cell–receptor α-chain gene, the expression of T-cell—lineage antigens, and the absence of B-cell—lineage antigens. This confirms and extends previous observations indicating that some forms of Hodgkin's disease have a T-cell origin. Rearrangements of T-cell–receptor β- and γ-chain genes and chromosomal abnormalities associated with loci of the T-cell–receptor gene have been demonstrated in Hodgkin's disease cell lines and tissues from patients with the disease.39 40 41 42 Previous studies have also demonstrated the expression of T-cell antigens (CD2, CD4, CD3, and βF1) in a subgroup of patients with Hodgkin's disease.43 44 45 46 In other patients, a B-cell origin seems more likely, as suggested by the expression of B-cell antigens47 and by rearrangements of immunoglobulin48 , 49 and bcl-2 genes.50 The Hodgkin's disease phenotype may thus represent a common pathway for the malignant transformation of several different cell types. Further studies of Hodgkin's disease and non-Hodgkin's lymphomas associated with lymphomatoid papulosis and other lymphoproliferative diseases are needed to determine whether these cancers are distinct in pathogenesis and clinical behavior from lymphomas that arise independently.

Supported by grants to Dr. Kadin from the American Cancer Society (CD 485) and the Council for Tobacco Research, U.S.A.. (2630R2), and by a grant (HL 07516) to Dr. Davis from the Hematology Career Training Program of the National Institutes of Health.

We are indebted to Drs. Suzanne Ulbricht and Steven Come of Beth Israel Hospital, Boston, for clinical care of this patient, and to Dr. Carl Kjeldsberg, Department of Pathology, University of Utah, for providing autopsy tissues.

Source Information

From the Division of Hematology—Oncology, Department of Medicine (T.H.D., S.P.B.), and the Department of Pathology (R.M.-C, M.E.K.), Beth Israel Hospital; the Department of Pathology, Brigham and Women's Hospital (C.C.M.); and Harvard Medical School (T.H.D., C.C.M., R.M.-C, S.P.B., M.E.K.); all in Boston. Address reprint requests to Dr. Kadin at the Department of Pathology, Beth Israel Hospital, 330 Brookline Ave., Boston MA 02215.

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