Search

To improve the reliability of the quantitative scorings of the synovial biopsies, we evaluate whether diameter of arthroscopic forceps influences histological quality of synovial tissue and/or histological scores and we compare the intra- and inter-observer performances of the main histological scoring systems. Synovial biopsies were retrieved in the same part of the joint using 1, 2 and 4 mm diameters grasping forceps. After standard staining and immunohistochemistry with anti-CD68 antibody, slides were scored blindly by 2 independent experienced operators for tissue quality and with Krenn score, de Bois-Tak score and CD68 semi-quantitative score. Four samples did not pass quality control. No difference other than a higher number of vessels in the 4 mm versus 2 mm forceps (p = 0.01) was found among the 3 groups. CD68 score was significantly higher in the 2 versus 4 mm forceps (p = 0.009). So we concluded that only vessels quantification and CD68 semi-quantitative score seemed affected by the forceps size. The intra-reader agreement was variable across observers and features: 0.78 (0.66-0.87) for the Krenn scoring system, 0.89 (0.78-0.97) for the de Bois-Tak score and 0.93 (0.81-1.00) for the CD68 score. Interobserver reliabilities of Krenn score, de Bois-Tak score and CD68 scores were satisfactory: 0.95 (0.92-0.99) for Krenn, 0.98 (0.96-0.99) for de Bois-Tak and 0.80 (0.71-0.89) for CD68., (© 2022. The Author(s).)

The authors present the case of a 94-year-old woman suffering from a right arm angiosarcoma developed after primary breast cancer and treated with success by oral metronomic chemotherapy based on daily low doses of cyclophosphamide and prednisone. The case description is followed by a short review of actual knowledge on the subject., (Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.)

The identification of diagnostic and prognostic biomarkers from early lesions, measurable in liquid biopsies remains a major challenge, particularly in oncology. Fresh human material of high quality is required for biomarker discovery but is often not available when it is totally required for clinical pathology investigation. Hence, all OMICs studies are done on residual and less clinically relevant biological samples. Here after, we present an innovative, simple, and non-destructive, procedure named EXPEL that uses rapid, pressure-assisted, interstitial fluid extrusion, preserving the specimen for full routine clinical pathology investigation. In the meantime, the technique allows a comprehensive OMICs analysis (proteins, metabolites, miRNAs and DNA). As proof of concept, we have applied EXPEL on freshly collected human colorectal cancer and liver metastases tissues. We demonstrate that the procedure efficiently allows the extraction, within a few minutes, of a wide variety of biomolecules holding diagnostic and prognostic potential while keeping both tissue morphology and antigenicity unaltered. Our method enables, for the first time, both clinicians and scientists to explore identical clinical material regardless of its origin and size, which has a major positive impact on translation to the clinic., Competing Interests: CONFLICTS OF INTEREST The authors declare no conflicts of interest.

Purpose: Although commonly used for the treatment of locally advanced head and neck squamous cell carcinoma (HNSCC) concomitant radio-chemotherapy (RT-CT) with weekly cisplatin has not been definitely studied. We conducted a single centre retrospective study with the aim to evaluate efficacy and acute toxicity of definitive concomitant RT-CT with 40 mg/m 2 weekly cisplatin in patients with locally advanced HNSCC with a particular emphasis on RT modality (conventional or accelerated) and dose of cisplatin delivered., Methods: One hundred and twelve consecutive patients were included. They were given cisplatin 40 mg/m 2 )week concomitantly with conventionally fractionated (CFRT) (N=33) or accelerated (ART) (N=79) RT., Results: RT was delivered according to the treatment plan in 104 patients and full dose was given to 107 patients. A median cumulative cisplatin dose of 240 mg/m 2 was administered to patients treated with CFRT and of 200 mg/m 2 to those treated with ART. Overall complete response rate was 81.3%. With a median follow up of 38.4 months, median overall survival (OS) was 75 months, not influenced by RT type or cisplatin dose received. The most clinically significant grade 3 or 4 acute toxicities were stomatitis (35.7%), neutropenia (25%), anemia (12.5%) and acute kidney injury (5.4%)., Conclusions: Our study shows that a median cumulative dose of 200 mg/m 2 cisplatin can be safely administered using a weekly regimen to patients treated with concomitant RT (CFRT or ART). Efficacy results and toxicity compare favorably with those described with triweekly cisplatin RT-CT, suggesting that a randomized comparison should be undertaken.

Osteofibrous dysplasia (OFD) is a rare bone tumor affecting young individuals. The differential diagnosis between OFD and adamantinoma may be challenging in some cases on imaging. We present a case of OFD and discuss the key imaging and histological findings. We also discuss the differential diagnosis between OFD and classical adamantinoma on the basis of recent literature.

The pathogenesis of nontraumatic osteonecrosis (ON) remains unclear. Some studies have suggested that nontraumatic ON is attributed to increased osteocytic apoptosis. To test this hypothesis, a controlled study must compare the apoptosis of osteocytes and osteoblasts in cases of ON and osteoarthritis (OA). To assess either the localized or diffuse patterns of this increased osteocytic and osteoblastic apoptosis, we evaluated both the proximal and distal regions of necrotic areas. Femoral heads resected for total hip prosthesis were included for this study. Of these, 10 were ON cases-three were induced by corticosteroids, three by alcohol abuse, one resulted from trauma, one resulted from hyperlipemia, and two were idiopathic-10 were osteoarthritis cases, and 1 from a patient suffering from a subcapital fracture. The TUNEL reaction was used to detect the apoptosis in osteoblasts and osteocytes. A semi-quantitative evaluation was conducted, at both distal and proximal areas relative to the lesions, specifically in the area surrounding the necrotic region in the osteonecrosis cases, in the eburnated bone in the osteoarthritis cases, and in the subchondral bone fracture. The apoptosis of osteoblasts and osteocytes was statistically more frequent in the regions close to the necrotic areas in the ON group. No difference was found in the unpaired areas. In the ON group, no difference was found in terms of the etiological factors. During ON, the apoptosis of osteocytes and osteoblasts is increased proximally to the necrotic regions in the patients presenting with osteoarthritis and subcapital fractures. This increase was found not only in the corticosteroid-induced ON cases but also in the idiopathic and alcohol abuse- and trauma-induced ON cases.

We present a case of osteopoikilosis in a 74-year-old woman with hip pain, presenting multiple osteoblastic lesions of the axial skeleton including an osteoblastic large lesion of her left femur. The imaging findings on X-rays and computed tomography are provided along with the discussion of the differential diagnosis on the basis of the recent literature.

The aim of this study was to determine the prevalence of human papillomavirus (HPV) in patients with laryngeal benign lesions (LBLs) and laryngeal squamous cell carcinomas (LSCCs) using a sensitive E6/E7 type-specific PCR. Paraffin-embedded samples from LBL (n=39) and LSCC patients (n=67) were evaluated for the presence of HPV DNA by GP5+/GP6+ consensus PCR and E6/E7 type-specific PCR for HPV types 6, 11, 16, 18, 31, 33, 35, 39, 45, 51, 52, 53, 56, 58, 59, 66 and 68. In LSCCs, immunohistochemical staining of p16, p53 and EGFR was also assessed. The E6/E7 type-specific PCR showed that 44 out of 59 LSCC patients (i.e., 75%) had high-risk (hr) HPV types and that 27 out of 35 LBL patients (i.e., 77%) had hrHPV types. HPV-16 viral load was significantly higher in LSCC than in LBL patients (p<10-6). The presence of hrHPV DNA did not correlate with the proportion of disease-free patients. Comparable levels of p16, p53 and EGFR expression were observed in the hrHPV+ tumor group (100% p16+, 56% p53+ and 97% EGFR+) and in the HPV- or low-risk (lr) HPV+ tumor group (92% p16+, 66% p53+ and 100% EGFR+). A very high prevalence of oncogenic HPV-16 was found in a series of benign and malignant laryngeal lesions. LSCC appears to be characterized by an active hrHPV infection. In LSCCs, the hrHPV+ subgroup had a similar prognosis (in terms of risk of recurrence) as the HPV- subgroup.

We report the case of a patient with giant cell myocarditis who was bridged to transplantation with mechanical circulatory support and developed a fatal perioperative hyperacute rejection. The patient had received abundant transfusions that had raised her anti-HLA antibody titers. The cross-match test was positive. No pre-transplantation immunosuppressive therapy had been administered given concomitant infection. The severity and acuteness of the rejection in this case likely reflect the combined effect of preformed anti-HLA antibodies in the context of an active organ-specific immune process at the time of transplantation. This case raises the questions of the need for intensive immunosuppressive therapy before transplantation in giant cell myocarditis and of the management of patients with positive cross-match in the context of a giant cell myocarditis., (2009 Elsevier GmbH. All rights reserved.)

A case of primary myxoid leiomyosarcoma of the ovary in a 50-year-old Tunisian woman is presented. Bilateral salpingooophorectomy and hysterectomy were carried out without any adjuvant therapy. The tumour were investigated histologically and immunohistochemically. Smooth-muscle actin and progesterone receptors was strongly demonstrated in neoplastic cells, bcl-2 was weakly and diffusely demonstrated. Relevant literature is reviewed based on the histologic and immunohistochemical features with emphasis on diagnosis and therapeutic problems and prognosis indicators.