A 68-year-old female with palmoplantar pustulosis was referred to our hospital in July, 2009 because of
liver dysfunction, a positive test for HTLV-1, and circulating abnormal lymphocytes with irregularly shaped nuclei. A diagnosis of acute type
adult T cell leukemia/lymphoma (
ATLL) was made based on generalized lymph node swelling and high levels of serum LDH, in addition to the findings described above. The associated palmoplantar pustulosis responded to some extent to
antibiotics,
steroid ointment, and narrow band UBV light irradiation. For
ATLL, she was serially treated with CHOP
chemotherapy, an LSG 15 protocol, and CytaBOM protocol with consequent partial remission. These
chemotherapies did not affect the palmoplantar pustulosis. For
ATLL in partial remission, we performed allogeneic
peripheral blood stem cell transplantation (allo-PBSCT) from a related donor (HTLV-1-negative) with a conditioning regimen consisting of
fludarabine,
melphalan, and total body irradiation with 3 Gy in February, 2010. After the engraftment of donor hematopoietic cells,
ATLL cells disappeared and the patient currently (as of April, 2012) remains
in complete remission (CR). The residual palmoplantar pustulosis was further improved soon after allo-PBSCT and disappeared on Day 84 after
transplantation. This refractory
skin disease has also been in CR to date.