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 Table of Contents    
AUTHORS REPLY  
Year : 2013  |  Volume : 47  |  Issue : 6  |  Page : 646
Author's reply


1 Department of Orthopaedics, PGIMS, Rohtak, Haryana, India
2 Department of Pathology, Government Medical College for Women, Khanpur Kalan, Sonepat, Haryana, India

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Date of Web Publication19-Nov-2013
 

How to cite this article:
Kundu ZS, Gupta V, Sangwan SS, Rana P. Author's reply. Indian J Orthop 2013;47:646

How to cite this URL:
Kundu ZS, Gupta V, Sangwan SS, Rana P. Author's reply. Indian J Orthop [serial online] 2013 [cited 2019 Nov 22];47:646. Available from: http://www.ijoonline.com/text.asp?2013/47/6/646/121611
Sir,

We appreciate taking interest in our article [1] and raising concerns by Puri and Gulia. [2] Most of the issues raised are discussed in discussion section.

It is well addressed that the risk of postoperative fracture was more when the lesion had more side to side diameter with more circumferential destruction and endosteal scalloping of the bone; instead of the lesions, which were more longitudinally placed with good thick cortices to tolerate the load and bending forces. We observed that at least two cortices must be preserved to prevent iatrogenic fracture. Whenever more than two cortices in two views are involved, support in the form of plaster slab or brace must be given for 6-8 weeks and delayed weight bearing. If these cortices are thinned out due to curettage one should perform prophylactic internal fixation to prevent the postoperative fracture. Furthermore, the lesions with very little (<5 mm) subchondral bone are not suitable for this procedure as there are chances of joint collapse and intraarticular fracture. Further, we have observed that in the event of peroperative fracture in tumor like lesions (cysts), we have performed the intramedullary fixation and the cavity filled and healed well even without grafting. [1]

We fully agree with your observation in regard to the treatment of giant cell tumor (GCT). [3] However, the size and the volume of the lesion do matter as far as the postoperative fracture is concerned. Hirn et al. found a strong correlation between risk of postoperative fracture and both the size and volume of the cyst. In their study, the average size of the cysts that fractured postoperatively was 108 cm as compared with 58 cm for the cysts that did not fracture. The risk of fracture was 5% in patients with cysts <60 cm as compared with 17% for those with cysts <60 cm. The risk was 3% when the maximum diameter of the cyst was ≤5 cm, but 15% when the diameter was >5 cm. [4]

In the end, we clarify that it is correct that there should be at least 5 mm (not 5 cm, a typographical/inadvertent mistake) of subchondral bone so that there is no joint collapse and intraarticular fracture.

 
   References Top

1.Kundu ZS, Gupta V, Sangwan SS, Rana P. Curettage of benign bone tumors and tumor like lesions. A retrospective analysis. Indian J Orthop 2013;47:295-301.  Back to cited text no. 1
  Medknow Journal  
2.Puri A, Gulia A. Comment on-"Curettage of benign bone tumors and tumor like lesions: A retrospective analysis". Indian J Orthop 2013;47:645-6.  Back to cited text no. 2
  Medknow Journal  
3.Puri A, Agarwal M. Treatment of giant cell tumor of bone: Current concepts. Indian J Orthop 2007;41:101-8.  Back to cited text no. 3
[PUBMED]  Medknow Journal  
4.Hirn M, de Silva U, Sidharthan S, Grimer RJ, Abudu A, Tillman RM, et al. Bone defects following curettage do not necessarily need augmentation. Acta Orthop 2009;80:4-8.  Back to cited text no. 4
[PUBMED]    

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Correspondence Address:
Zile Singh Kundu
Department of Orthopaedics, 9J/31, Medical Campus, PGIMS, Rohtak, Haryana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5413.121611

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