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1994-08-09
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Document 1081
DOCN M9471081
TI Hypercalcemia in intermediate grade non-Hodgkin's lymphoma (NHL)
(Meeting abstract).
DT 9409
AU Jendiroba DB; Seymour JF; Swan F; Cabanillas F; UT MD Anderson Cancer
Center, Houston, TX 77030
SO Proc Annu Meet Am Soc Clin Oncol; 13:A1285 1994. Unique Identifier :
AIDSLINE ICDB/94601281
AB The incidence, features and prognostic significance of hypercalcemia
complicating NHL have not been determined. We analyzed 183 consecutive
patients (pts) with untreated intermediate-grade NHL treated on protocol
between 1988 and 1992. Hypercalcemia was defined as a corrected serum
calcium (CCa) of greater than 10 mg/dl where CCa = total calcium +
0.8[4.0 - albumin]. All pts were HIV seronegative and classified into
favorable (n=44) or unfavorable (n=139) groups according to published
criteria (Blood 74:551, 1989). Hypercalcemia (median CCa 10.4, range
10.1-14.2) was more common among unfavorable pts (2% vs 19%, p=0.007).
Limiting all further analyses to the unfavorable pts, there was no
difference (p greater than 0.2) between those with high or normal CCa,
respectively, in the incidence of T-cell phenotype (8% vs 6%) or bone
lesions (both 12%). Adverse features were more common in pts with a high
CCa: International Index greater than or equal to 3 (62% vs 35%,
p=0.02), high LDH (88% vs 54%, p=0.005), beta2-microglobulin greater
than or equal to 3 mg/l (64% vs 31%, p=0.002), PS greater than or equal
to 2 (38% vs 15%, p=0.007). Despite identical therapy, pts with high CCa
had shorter progression free (PFS) (p less than 0.01) and overall (OS)
(p=0.01) survival. At 3 yr PFS was 57% vs 34% and OS 68% vs 38%,
respectively. A high CCa at diagnosis was not always associated with a
high CCa at relapse (18% vs 10%). Hypercalcemia in NHL is not isolated
to pts with T-cell disease or bone lesions. A high CCa is a powerful
adverse feature, possibly due to its association with other adverse
indicators.
DE Calcium/BLOOD Human Hypercalcemia/*BLOOD/MORTALITY Lymphoma,
Intermediate-Grade/*BLOOD/MORTALITY Paraneoplastic
Syndromes/*BLOOD/MORTALITY Prognosis Survival Rate MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).