Significance of lymphoplasmocytic infiltration around tumor cell in the prediction of regional lymph node metastases in patients with invasive squamous cell carcinoma of the vulva: A clinicopathologic study

Significance of lymphoplasmocytic infiltration around tumor cell in the prediction of regional lymph node metastases in patients with invasive squamous cell carcinoma of the vulva: A clinicopathologic study

GYNECOLOGIC ONCOLOGY 3, 200-205 (1989) Significance of Lymphoplasmocytic Infiltration around Tumor Cell in the Prediction of Regional Lymph Node M...

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GYNECOLOGIC

ONCOLOGY

3,

200-205 (1989)

Significance of Lymphoplasmocytic Infiltration around Tumor Cell in the Prediction of Regional Lymph Node Metastases in Patients with Invasive Squamous Cell Carcinoma of the Vulva: A ClinicoPathologic Study NADER HUSSEINZADEH,

M.D., *,I TERRENCE WESSELER, M.D.,? HELMUT SCHELLHAS, M.D.,f AND WILLIAM NAHHAS, M.D.§

*Department of Obstetrics and Gynecology, Division of Gynecologic Oncology, tDepartment of Pathology, University of Cincinnati, Cincinnati, Ohio 45267; *Division of Gynecologic Oncology, The Jewish Hospital of Cincinnati; and $Division of Gynecologic Oncology, Miami Valley Hospital, Wright State University, Dayton, Ohio 45431 Received April 27, 1988

Histologic material from 42 patients treated for invasive squamous cell carcinoma of the vulva was studied to determine the prognostic significance of lymphoplasmocytic infiltration around tumor cells in the prediction of regional lymph node metastases. No correlation was found between lymphoplasmocytic infiltration and nodal metastasis with respect to degree of tumor differentiaton, stage of disease, and vascular channel involvement. The presenceor absenceof lymphoplasmocytic infiltration around tumor cells appears to have no prognostic value in predicting nodal metastases. Q 1989 Academic Press, Inc.

had fewer inguinal node metastases and better survival than those without lymphocytic infiltration; the association was not statistically significant. The present study was undertaken to determine the prognostic value of lymphoplasmocytic infiltration around tumor cells in regard to regional node metastases in patients with primary invasive squamous cell carcinoma of the vulva. MATERIALS

AND METHODS

The study group consisted of 42 evaluable patients with Stage I-IV primary invasive squamous cell carciINTRODUCTION noma of the vulva who were treated between 1975 and Size of the primary lesion, histologic grade, stage of 1985. the disease, pattern of invasion, depth of stromal invaAll patients were staged preoperatively according to sion, vascular channel involvement, and nodal metas- International Federation of Gynecology and Obstetrics tases have shown to be prognostically significant in pa- (FIGO) criteria. tients with invasive squamous cell carcinoma of the vulva Thirty-five patients had radical vulvectomy with uni[l-5]. The presence of lymphoplasmocytic infiltration lateral or bilateral inguinal-femoral lymphadenectomy around tumor cells has been shown to be of prognostic and 7 patients had additional unilateral or bilateral pelvic value and associated with increased survival in patients lymphadenectomy. Histopathologic specimens were rewith breast [6], stomach [7-91, colon [lo,1 11, bladder viewed by one of the authors (T.W.). The lymphoplas[12], cervical [13,14,17], and vulvar cancer [3,15]. Gos- mocytic infiltrate at the periphery of any given tumor ling ef al. [15] have shown that the presence of lymphoid was graded in a semiquantitative manner. If there was infiltration is associated with increased survival in pa- no such infiltration, it was considered Grade 0. Those tients with squamous cell carcinoma of the vulva. Boyce tumors with sparse lymphoplasmocytic infiltration were et al. [3] reported that patients with marked lymphocytic graded as 1+ (Fig. 1) and those with very dense infiltrainfiltration in the stroma surrounding the primary tumor tion were graded as 3+ (Fig. 2). If infiltration was intermediate between the two extremes, it was graded as ’ To whom reprint requests should be addressed at University of 2+ (Fig. 3). Inflammatory infiltrates adjacent to foci of Cincinnati Medical Center, Division of Gynecologic Oncology, 231 necrosis were ignored. When there was a significant variability within a tumor in regard to the degree of lymBethesda Avenue, Cincinnati, OH 45267-0526. 200

0090-8258/89 $1.50 Copyright 0 1989by Academic Press,Inc. All rights of reproduction in any form reserved.

LYMPHOPLASMOCYTIC

FIG. 1.

INFILTRATION

AROUND

TUMOR

CELLS

201

Sparse lymphoplasmocytic infiltration (Grade 1’).

phoplasmocytic infiltration, the average density of infiltration was recorded. RESULTS The age range was 30-86 years with a mean age of 66 years. Eight patients had Stage I, 23 had Stage II, 9 had Stage III, and 2 had Stage IV disease. The incidence of nodal metastases correlated directly with stage of disease ranging from 12% for Stage I disease to 100% in patients with Stage IV disease (Table 1). Lymphoplasmocytic infiltration was determined to be absent in two patients (5%). It was l+ in 11 patients (26%), 2+ in 23 patients (48%), and 3+ in 9 patients (21%). The degree of lymphoplasmocytic infiltration, when present, did not appear to give any meaningful correlations in regard to nodal metastases (Table 2). In regard to nodal metastases, no association was found between lymphoplasmocytic infiltration and stage of the disease (Table 3), histologic grade (Table 4), depth of stromal invasion (Table 5), or vascular channel involvement (Table 6).

DISCUSSION Cellular immune competence, as evidenced by lymphoplasmocytic infiltration around tumor cells and morphologic changes in regional lymph nodes, has been reported to correlate with patient prognosis and survival in a number of different tumors. Lymphoid infiltration in and around the tumor and sinus histiocytosis in draining axillary lymph nodes have been shown to be associated with an improved prognosis in patients with carcinoma of the breast [6,7,16]. A similar relationship was also shown in gastric carcinoma. Black et al. [7,8,18] studied the relationship between survival and the structural features such as nuclear differentiation, degree of lymphoid infiltration, and lymphoid structure of the regional lymph node. They confirmed that prolonged survival in patients with gastric cancer was associated with an increased incidence of lymphoid infiltration, follicular hyperplasia in the regional lymph node, and greater nuclear differentiation. Tabuchi et al. [9], using a stathmokinetic technique to

202

HUSSEINZADEH

ET AL.

FIG. 2. Dense lymphoplasmocytic infiltration (Grade 3’).

analyze the mitotic activity of human gastric cancer, noted that moderate and marked degrees of infiltration suppress the mitotic activity of cancer cells and were more frequent in patients with early stage and well-differentiated cancer. In patients with colon cancer, factors that appeared to correlate best with patient survival were the stage of the disease, grade of tumor, and the number of involved nodes. Murray et al. [ 101and Nacopoulos [ 111reported 78% and 53% 5-year survival when lymphoplasmocytic infiltrations were present. In contrast, when lymphoplasmocytic reactions were absent, 5-year survival was 40% and 30%, respectively. They also noted improved survival with some histologic patterns in regional lymph nodes such as sinus histiocytosis [lo] and lymphocyte predominance [I 11. A similar observation was noted in patients with transitional cell carcinoma of the bladder

[121. In cervical cancer the importance of host-immune response has been suggested by some investigators [19,20]. VanNagell [ 13,141 reported that lymphoplasmocytic infiltration was not associated with cell type and lymph

node morphology in patients with invasive cervical cancer but was associated with a significant decrease in the incidence of lymph node metastases. Nine percent of patients with marked lymphocytic response had metastatic disease in pelvic nodes as compared to 25% nodal metastases in patients with minimal lymphocytic infiltration. Likewise, the incidence of recurrence was reduced from 34% to 7% in the presence of a marked lymphoplasmocytic tumor infiltrate. Ninety-five percent of those with marked lymphoid reaction survived 2-15 years following therapy whereas 31% with minimal or no lymphoplasmocytic response died of recurrent disease during this period. Gusberg et al. [I71 reported an inverse relationship between the presence of stromal response and absence of positive lymph nodes in patients with invasive cervical cancer. Of the patients with good lymphocytic response, 13.8% had positive node compared to those with poor lymphocytic response who had 66.6% nodal metastases. In patients with squamous cell carcinoma of the vulva, Gosling et al. [15] have shown a lower 5-year survival for patients whose tumor had none to minimal infiltration

LYMPHOPLASMOCYTIC

INFILTRATION

AROUND TUMOR CELLS

203

PIG. 3. Intermediate lymphoplasmocytic infiltration (Grade 2’).

TABLE 1 Stage and Nodal Metastases Stage I II III IV

No. of patients (%)

Node metastases (%)

8 (1%) 23 (55%) 9 (21%) 2 (5%)

1 (12%) 8 (35%) 5 (56%) 2 (100%)

P value”

<.05

’ Fisher exact test.

TABLE 2 Lymphocytic Infiltration and Nodal Metastases L.I.

0 1+ 2’ 3’

No. of patients (%)

Nodal metastases (%)

2 (5%) 11 (26%) 20 (48%) 9 (21%)

0 6 (55%) 7 (35%) 3 (33%)

u Chi-square, x = 2.661 on 3 df.

P value”

P>

.l

compared to those with marked infiltration (34.3 vs 61.9%). Boyce et al. [3] reported that patients with marked lymphocytic infiltration in the stroma surrounding the primary tumor had fewer inguinal node metastases than those without lymphocytic infiltration (37 vs 45%). There was also better 5-year survival in patients with marked lymphocytic infiltration compared to those with mild infiltration (75 vs 63%). However, the association between these parameters was not statistically significant. Our data indicate that the density of lymphoplasmocytic infiltration when present did not correlate with regional node metastases regardless of stage of disease, histologic grade of tumor, depth of tumor invasion, or vascular channel involvement. The presence or absence of lymphoplasmocytic infiltration around tumor cells appeared to have no value as a prognostic factor in predicting nodal metastases in patients with invasive squamous cell carcinoma of the vulva.

204

HUSSEINZADEH

ET AL.

TABLE 3 Lymphocytic Infiltration vs Stage and Nodal Metastases L.I.”

No.

0

2 11 20 9

1’ 2’ 3’

Stage I 1 5 2

+ Node

Stage II

+ Node

Stage III

+ Node

Stage IV

+ Node

0 1 (5%) 0

2 4 13 5

0 1 (9%) 5 (25%) 2 (22%)

4 2 2

3 (27%) 1 (5%) 1 (11%)

2 -

2 (18%) -

a Lymphocytic infiltration.

REFERENCES TABLE 4 Lymphocytic Infiltration vs Histologic Grade and Nodal Metastases L.I.” 0 1’ 2’ 3’

No.

G,

+ Node

G2

+ Node

G,

+ Node

211 20 9

2 7 3

0 3 (15%) 0

2 4 10 4

0 3 (27%) 3 (15%) 2 (22%)

1 5 3 2

0 3 (27%) 1 (5%) 1 (11%)

’ Lymphocytic infiltration.

TABLE 5 Lymphocytic Infiltration vs Stromal Invasion and Nodal Metastases L.I.” 0 1’ 2’ 3’

No.

6 5 mm

+ Node

25

+ Node

2 11 20 9

2 2 9 5

0 1 (9%) 1 (5%) 1 (11%)

-

5 (45%) 6 (30%) 2 (22%)

9 11 4

’ Lymphocytic infiltration.

TABLE 6 Lymphocytic Infiltration vs Vascular Channel Involvement and Nodal Metastases L.I.” 0 1’ 2’ 3’

No.

Absent

+ Node

Present

+ Node

2 11 20 9

1 7 19 9

0 2 (18%) 6 (32%) 3 (33%)

1 4 I -

0 4 (26%) 1 (5%) -

n Lymphocytic infiltration.

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INFILTRATION

15. Gosling, J. R. C., Abell, M. R., Drolette, B. M., and Loughrin, T. D. Infiltrative squamous cell (epidermoidal) carcinoma of vulva, Cancer 14,330-343 (l%l). 16. Anastassiades, O., and Pryce, D. M. Immunological significance of the morphological changes in lymph node draining breast cancer, Bit. J. Cancer 20, 239-249 (1966). 17. Gusberg, S. B., Yannopoulos, K., and Cohen, C. J. Virulence indices and lymph nodes in cancer of the cervix, Amer. J. Roentgenol. 2, 273-277 (1971).

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18. Black, M. M., and Speer, F. D. Sinus histiocytosis of lymph nodes in cancer, Surg. Gynecol. Obstet. 106, 163-175 (1958). 19. Goldstein, M. S., Shore, B., and Gusberg, S. B. Cellular immunity as a host response to squamous cell carcinoma of the cervix, Amer. J. Obstet. Gynecol. 111, 7X-755 (1971). 20. Chiang, W. T., Wei, P. Y., and Alexander, E. R. Circulatory and cellular immune responses to squamous cell carcinoma of the uterine cervix, Amer. J. Obstet. Gynecol. 126, 116-121 (1976).