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Advanced-stage Hodgkin lymphoma: have effective therapy and modern imaging changed the significance of bulky disease?

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Pages 1554-1562 | Received 11 Dec 2020, Accepted 18 Jan 2021, Published online: 07 Feb 2021
 

Abstract

The prognostic significance of bulky disease in advanced-stage Hodgkin lymphoma is an area of controversy. Early studies suggested that the presence of bulk was associated with an increased risk of disease relapse. The effect of bulk is less clear in more recent studies. The shift to response-adapted treatment regimens may obscure the prognostic significance of initially bulky disease, as patients with such disease have lower rates of complete metabolic response on early interim scans and thus are more likely to receive intensified chemotherapy. Various definitions of bulk have been used, further complicating interpretation of the available data. Advances in diagnostic imaging enable quantification of the three-dimensional lymphoma volume, which may ultimately become a new routine measure of bulky disease. This review aims to summarize the prognostic significance of bulky disease in advanced-stage HL, the influence of bulk on the choice of therapy, and the changing definition of bulk with advances in diagnostic imaging.

Disclosure statement

No potential conflict of interest was reported by the author(s).

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