operative decompression
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2021 ◽  
Vol 17 (4) ◽  
Author(s):  
Sabri Selcuk Atamanalp ◽  
Rifat Peksoz

Sigmoid Volvulus (SV) is principally treated with non-operative decompression, whereas it may require surgical management in some situations. Depending upon the treatment method, SV recurs in about one fourth of the cases, which doubles the mortality and morbidity rates. In this paper, we discuss the management and related recurrence of SV in the light of the largest single-center SV series over the world.


2020 ◽  
Vol 11 ◽  
pp. 355
Author(s):  
Ahmed Taha Elsayed Shaaban ◽  
Mostafa Ibrahem ◽  
Ahmed Saleh ◽  
Abdulrazzaq Haider ◽  
Abdulnasser Alyafai

Background: Brown tumor (Osteoclastoma) is a rare benign, focal, lytic bone lesion most commonly attributed to a parathyroid adenoma; it occurs in approximately 5% of patients with primary hyperparathyroidism, and 13% of patients with secondary hyperparathyroidism. Most tumors are located in the mandible, pelvis, ribs, and large bones; only rarely is it found in the axial spine. Case Description: A 37-year-old male with primary hyperparathyroidism presented with an MR-documented T4 and T5 brown tumor (Osteitis Fibrosa Cystica) resulting in an acute paraparesis. The patient successfully underwent excisional biopsy of an expansile, enhancing, bony destructive lesion at the T4-5 level. Subsequently, he required subtotal excision of a left upper parathyroid tumor. Conclusion: Patient with primary hyperparathyroidism may acutely present with paraparesis attributed to brown tumors of the spine warranting emergent operative decompression.


2020 ◽  
Vol 37 (1) ◽  
pp. 13-19
Author(s):  
Astrid C. Hengartner ◽  
Matthew Putty ◽  
Michael Young ◽  
John A. Maloney ◽  
David M. Mirsky ◽  
...  

2019 ◽  
Vol 26 (3) ◽  
pp. 1717-1724 ◽  
Author(s):  
Dorottya Cserni ◽  
Tamás Zombori ◽  
Anette Stájer ◽  
Annamária Rimovszki ◽  
Gábor Cserni ◽  
...  

Abstract Odontogenic keratocysts (OKCs) have a diagnostic thin epithelial lining characterised by a linear epithelial connective tissue interface generally lacking inflammatory changes, basal palisading of the nuclei and a wavy parakeratotic layer on the surface. This typical epithelium may convert to a thicker non-keratinizing one with rete pegs and a relatively flat surface after operative decompression. The aim was to characterize this type of epithelial change by immunohistochemistry for bcl2, keratin17, 10 and 19. Eleven out of 33 archived OKCs demonstrated an altered epithelium related to previous biopsy, decompressing drainage or inflammation. The typical basal bcl2 staining was lost in 10/11 cases; transepithelial CK17 was lost or markedly reduced in 9/11 cases. CK10 displayed a segmental upper layer staining in OKCs, and its loss or partial loss in the altered epithelium did not differ from negative areas of OKCs. CK19 displayed various staining patterns in the altered epithelium from lost to maintained in a patchy transepithelial distribution, the latter of which did not differ from the typical OKC staining pattern. Three of four non-keratinizing epithelial linings with basal palisading displayed immunostaining reminiscent of typical OKC epithelium. The lack of a typical epithelium is not sufficient to exclude the diagnosis of OKC if the sampling is not generous (e.g. biopsy), and the presence of non-keratinizing epithelium with basal palisading and an immunophenotype characteristic of OKC (basal bcl2, patchy or diffuse CK17 and upper layer CK10 positivity) may be consistent with the OKC diagnosis even in the absence of typical epithelial lining.


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