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Introduction Since COVID‐19 has become a pandemic, extensive literature has been produced. The commonest symptoms of COVID‐19 disease are fever, cough, anosmia, and lymphocytopenia. However, other apparently less common clinical symptoms have been described, including skin lesions. We conducted a systematic review to evaluate skin involvement in COVID‐19. Methods The authors performed a systematic review of literature, in accordance with the Preferred Reporting Items for Systematic and Meta‐Analysis (PRISMA). The search was reiterated until May 06, 2020. Results Overall, 1593 patients (M/F ratio: 1 : 9) with suspect of COVID‐19 were examined. The mean age was 37.8 (range 0–91) years. Among the analyzed patients, 84 (5.3%) were pediatrics (<18 years). Chilblains are very common among skin lesions and represent almost half of all skin lesions reported (46%); in 75% of patients with cutaneous manifestation, the latter presented before other typical clinical manifestation of COVID‐19. Vasculitis or thrombosis was identified in almost 70% of patients who suffered from skin manifestations. Conclusion The present study highlights the importance of skin involvement in COVID‐19. Limbs should be examined to eventually foresee the onset of further typical symptoms. Chilblains can be considered typical features. Studies with higher scientific evidence are required.

Disturbed sleep patterns are very common in patients suffering from neuropathic pain due to carpal tunnel syndrome. Our results, albeit preliminary, suggest that ultramicronized palmitoylethanolamide administration favors a clear improvement of sleep quality, confirming a correlation between sleep disorders and pain intensity.

Purpose The aim of this study was to analyze the results of two different methods of surgical treatment of waist scaphoid nonunions (SNUs). We retrospectively analyzed data from 87 patients referred to our department from January 2010 to December 2017 who were surgically treated for waist SNU. Methods The mean period of time passed from trauma was 11.2 (±5.6) months. Patients were divided into two groups based on surgical treatment received: volar exposure osteosynthesis with shape memory staple (SMS) (group A) and volar exposure osteosynthesis with SMS and gelled platelet-rich plasma (GPRP) application at the bone defect level (group B). A cast (thumb excluded) was maintained for 4 weeks. Healing was checked clinically (pain, QuickDASH [Disabilities of the Arm, Shoulder, and Hand] score, Mayo Wrist Score) and radiologically (standard X-ray). Results Union was achieved in 40 patients in group A (95.2%) and in all patients in group B (45 patients; 100%). A statistically significant difference was observed in the improvement of the Mayo Wrist Score, QuickDASH score, and pain (measured through the visual analog scale) after 3 months from surgery (p = 0.02). Conclusion SMS is effective in treating waist SNU at more than 6 months from trauma. GPRP application can improve bone healing and upper limb function. Level of Evidence This is a retrospective observational Level III study.

Trapeziometacarpal joint osteoarthritis is a common cause of radial-sided wrist pain that prevalently affects women. It is diagnosed on the basis of a thorough history, physical examination, and radiographic evaluation. While radiographs are used to determine the stage of disease, treatment is dependent on the severity of the symptoms. Non-surgical treatment frequently consists of activity modification, non-steroidal anti-inflammatory drugs, splinting and corticosteroid injections. After failure of conservative treatment, various surgical options exist depending on the stage of the disease. These options range from ligament reconstruction or osteotomy, for early painful laxity, to trapeziectomy, arthrodesis and arthroplasty for more severe osteoarthritis. This article reviews the literature supporting the various surgical treatment options and analyzes the surgical techniques most frequently used in the different disease stages. 140JOINTS 2013;1(3):138-144 J oints G. taccardo et al. 144 JOINTS 2013;1(3):138-144 J oints G. taccardo et al.

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