TY - JOUR
T1 - Clinical Features and Treatment Outcomes of Patients With Necrobiotic Xanthogranuloma Associated With Monoclonal Gammopathies
AU - Higgins, Larissa S.
AU - Go, Ronald S.
AU - Dingli, David
AU - Kumar, Shaji K.
AU - Rajkumar, S. Vincent
AU - Dispenzieri, Angela
AU - Buadi, Francis K.
AU - Lacy, Martha Q.
AU - Lust, John A.
AU - Kapoor, Prashant
AU - Leung, Nelson
AU - Lin, Yi
AU - Kourelis, Taxiarchis V.
AU - Gertz, Morie A.
AU - Kyle, Robert A.
AU - Gonsalves, Wilson I.
N1 - Publisher Copyright:
© 2016 Elsevier Inc.
PY - 2016/8/1
Y1 - 2016/8/1
N2 - Necrobiotic xanthogranuloma is a rare chronic granulomatous disorder of the skin associated with a monoclonal gammopathy. We report the findings from a single tertiary medical center retrospective study describing the clinical features of 35 patients with necrobiotic xanthogranuloma and monoclonal gammopathy and their subsequent disease course and response to treatment. Introduction Necrobiotic xanthogranuloma (NXG) is a rare chronic granulomatous disorder of the skin associated with a monoclonal gammopathy. Patients and Methods The present report describes the findings from a single tertiary medical center retrospective study, including the clinical features of 35 patients with NXG and monoclonal gammopathy from 2000 to 2015 and their subsequent disease course and treatment response. The median age at diagnosis was 56 years (range, 26-88 years). Results Most patients had a plasma cell dyscrasia consisting of monoclonal gammopathy of undetermined significance in 28 patients and smoldering multiple myeloma in 5 patients; the remaining 2 patients had chronic lymphocytic leukemia. An IgG isotype of monoclonal gammopathy was present in almost all the patients (97%). The most common site of cutaneous involvement of NXG was periorbital (66%). The treatments were heterogeneous and included excision, intralesional injection, radiotherapy, and systemic chemotherapy. The median follow-up period was 46 months (range, 4 to 234 months). The median overall survival had not been reached at the analysis, and 80% of the patients were still alive. Eight patients (23%) had disease progression to multiple myeloma at a median of 67 months (range, 21 to 107 months), demonstrating that although the clinical course is generally indolent, malignant transformation is not uncommon. At the last follow-up visit, 80% had signs of either clinical improvement or stable skin disease. Conclusion Cutaneous objective responses can be achieved with treatment of lymphoplasmacytic malignancies.
AB - Necrobiotic xanthogranuloma is a rare chronic granulomatous disorder of the skin associated with a monoclonal gammopathy. We report the findings from a single tertiary medical center retrospective study describing the clinical features of 35 patients with necrobiotic xanthogranuloma and monoclonal gammopathy and their subsequent disease course and response to treatment. Introduction Necrobiotic xanthogranuloma (NXG) is a rare chronic granulomatous disorder of the skin associated with a monoclonal gammopathy. Patients and Methods The present report describes the findings from a single tertiary medical center retrospective study, including the clinical features of 35 patients with NXG and monoclonal gammopathy from 2000 to 2015 and their subsequent disease course and treatment response. The median age at diagnosis was 56 years (range, 26-88 years). Results Most patients had a plasma cell dyscrasia consisting of monoclonal gammopathy of undetermined significance in 28 patients and smoldering multiple myeloma in 5 patients; the remaining 2 patients had chronic lymphocytic leukemia. An IgG isotype of monoclonal gammopathy was present in almost all the patients (97%). The most common site of cutaneous involvement of NXG was periorbital (66%). The treatments were heterogeneous and included excision, intralesional injection, radiotherapy, and systemic chemotherapy. The median follow-up period was 46 months (range, 4 to 234 months). The median overall survival had not been reached at the analysis, and 80% of the patients were still alive. Eight patients (23%) had disease progression to multiple myeloma at a median of 67 months (range, 21 to 107 months), demonstrating that although the clinical course is generally indolent, malignant transformation is not uncommon. At the last follow-up visit, 80% had signs of either clinical improvement or stable skin disease. Conclusion Cutaneous objective responses can be achieved with treatment of lymphoplasmacytic malignancies.
KW - Dermatologic manifestations
KW - Monoclonal gammopathies
KW - NXG
KW - Novel agent therapies
KW - Progression
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U2 - 10.1016/j.clml.2016.04.009
DO - 10.1016/j.clml.2016.04.009
M3 - Article
C2 - 27238425
AN - SCOPUS:84969921674
SN - 2152-2650
VL - 16
SP - 447
EP - 452
JO - Clinical Lymphoma, Myeloma and Leukemia
JF - Clinical Lymphoma, Myeloma and Leukemia
IS - 8
ER -