A 69-year-old patient who underwent photovaporization of the prostate (PVP) with GreenLightTM Laser presented chronic abdominal pain, in the following and after 7 months, an abdominal MRI showed a bladder mass and the cystoscopy revealed an 8 cm of diameter grayish mass of the anterior wall and the dome. Malignancy, infectious, and granulomatous diseases were ruled out. Biopsy showed necrotic tissue and dystrophic calcification (DC) with crystals and Gram-positive cocci, so a transurethral resection was intended failed due to the mass hard consistency and size. The patient was taken to partial cystectomy and the pain resolved. DC is defined as inappropriate deposits of calcium phosphate salts in previously damaged tissue by different forms of trauma: burns, radiotherapy, and surgery. We suggest the DC process is linked to a previous thermal lesion of the bladder during PVP and believe future studies of association can be relevant.

1.
Jeon SW, Park YK, Chang SG. Dystrophic calcification and stone formation on the entire bladder neck after potassium-titanyl phosphate laser vaporization for the prostate: a case report.
J Korean Med Sci
. 2009 Aug;24(4):741–3.
2.
Zumstein V, Betschart P, Müllhaupt G, Jochum W, Schmid HP, Abt D. Recurrent dystrophic calcification of the prostatic resection cavity after transurethral resection of the prostate: clinical presentation and endoscopic management.
J Endourol Case Rep
. 2017 Jun;3(1):81–3.
3.
Tristano AG, Villarroel JL, Rodríguez MA, Millan A. Calcinosis cutis universalis in a patient with systemic lupus erythematosus.
Clin Rheumatol
. 2006;25(1):70–4.
4.
Merchant SA, Amonkar PP. Genitourinary biharziasis : a review.
Indian J Radiol Imaging
. 2002;12(2):239–44.
5.
Dyer RB, Chen MY, Zagoria RJ. Abnormal calcifications in the urinary tract. Radiographics. 1998 Nov-Dec;18(6):1405–24.
6.
Tsujimura A, Imazu T, Nishimura K, Sugao H, Oka T, Takaha M, et al. Ureteropelvic junction obstruction with renal pelvic calcification: a case report.
J Urol
. 1993 Dec;150(6):1889–90.
7.
Symes A, Kalsi V, Rickards D, Allen C, Choong S, Philp T. Dystrophic ureteral calcification associated with Churg-Strauss vasculitis.
Urology
. 2004 Dec;64(6):1231.e9–11.
8.
Nseyo UO, Merrill DC, Lundahl SL. Green light photodynamic therapy in the human bladder.
Clin Laser Mon
. 1993 Oct;11(5):247–50.
Copyright / Drug Dosage / Disclaimer
Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.
You do not currently have access to this content.