Anti-Jkb in erythroblastosis fetalis

Anti-Jkb in erythroblastosis JOSEPH Montreal,

ONLY

caused medical third Case

anti-Jkb literature.l,

B.Sc.,

A.R.T.-B.B.

Quebec

cases of

2

by

KANNER,

fetalis

erythroblastosis

have

been

2 We

fetalis

reported

wish

to

in record

tive, k-positive, Kp”-negative, Kpb-positive, Fy”positive, Jk”-positive, Lea-negative, Le”-negative, Lua-negative, W+negative, Bea-negative, Di”negative, Mg-negative, Vel-positive, Tja-positive, Yta-positive, Ge-positive, I-positive. The patient’s serum contained a single antibody, anti-Jk”. The blood group of the husband is 0, Rh positive.

the a

example. report

A healthy white woman, aged 30, has had 3 pregnancies. In 1954 the first infant, a female baby, became jaundiced after 10 days and died after 15 days. In 1955 the second child, a female baby, became jaundiced in the first 24 hours after birth, received a blood transfusion, and is healthy today. In 1957 the third baby, a male, was noted to be very anemic and jaundiced shortly after birth, and died at 2 days of age. The patient has had no miscarriages and never received a blood transfusion or intramuscular blood injection. Because of the previous trouble, she consulted her physician as to the outcome of further pregnancies. The patient was then referred to the Blood Transfusion Service for blood tests. Her blood group was found to be B, Ns/Ns, R’r (CDc/cde 1 P-positive, U-positive, K-nega-

From the Blood Transfusion HBfiital Maisonneuve.

Summary Cases

of

erythroblastosis

fetalis

caused

by

anti- Jkb are reported. I wish to thank Dr. F. H. Allen, Jr., Blood Grouping Laboratory, Boston, and Dr. P. Levine, Ortho Research Foundation, Raritan, New Jersey, for confirming the specificity of the antibody, and Dr. C. Gendron for referring the patient to our laboratory.

REFERENCES

1. Kornstad, L., and Halvorsen, 3: 94, 1958. 2. Geczy, A., and Leslie, M.: 125, 1961.

Service, 1253

K.:

VOX

Transfusion

Sang. 1: