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Background: Acute calcific periarthritis of the hand is a relatively uncommon painful condition involving juxta-articular deposits of amorphous calcium hydroxyapatite. Although conservative treatments have been generally considered effective, there is little evidence regarding how long they could remain effective., Methods: We retrospectively reviewed ten patients who were diagnosed with acute calcific periarthritis of the hand from January 2015 to June 2018. We recommended the use of warm baths, nonsteroidal anti-inflammatory drugs (NSAIDs), and limited activity as initial treatments. If the pain persisted despite at least 3 months of conservative treatment, we explained surgical treatment options. If the pain improved, we recommended gradual range-of-motion exercises with the continuation of daily NSAIDs use. The visual analogue scale (VAS) score for pain at each subsequent visit (3, 6, and 9 months) was compared with that of the previous visit to investigate whether the pain had decreased during each time interval. Simple radiographs taken at each visit were compared with those taken at the previous visit to determine whether any significant changes in the amount of calcification had occurred during each time interval., Results: All 10 patients with 17 affected joints continued conservative treatments for an average of 11.1 months. The average VAS score for pain at the initial visit was 7, while that at 3, 6, and 9 months was 4.3, 3.3, and 2.9, respectively. There was a significant reduction in the VAS score at 3 and 6 months, but not at 9 months (P values = 0.004, 0.008, and 0.598, respectively). The simple radiographs also showed a significant reduction in the amount of calcification at 3 and 6 months, but not at 9 months (P values = 0.020, 0.034, and 0.083, respectively)., Conclusions: Patients with acute calcific periarthritis of the hand exhibited residual pain and calcification for a relatively prolonged period. Those who continued conservative treatment, including NSAIDs, showed pain relief and reduced calcification for up to 6 months. These results suggest that conservative treatment could be tried for at least 6 months before considering the surgical treatment of calcific periarthritis of the hand.

Background: Oligodactyly of the hand is one of the rarest congenital anomalies of upper extremities and defined as the presence of fewer than five fingers on a hand. Although it usually occurs in association with hypoplasia or absence of ulna, it can occur without abnormality of the forearm bones. The purpose of this study is to present clinical features and radiographic characteristics of hand oligodactyly with thumb. Methods: Five patients of oligodactyly with thumb who showed normal forearm bones, were evaluated. Two patients had threefingered hand with thumb, and three had two-fingered hand with thumb. We analyzed associated abnormalities of carpal and metacarpal bones and measured the lengths of radius and ulna, and width of the wrist on the simple radiographs. We also devised new classification system of oligodactyly based on the thumb deformities and locations of missing digits. Results: Syndactyly among fingers was associated in four patients, clinodactyly caused by delta bone in one, hypoplasia of the thumb in one, camptodactylies in one, symphalangism in one, and radial head dislocation in one. Considering the abnormalities of the carpal bones, the missing digits were presumed to be ulnar-sided digits in two patients, central digits in one patient and both ulnar-sided and central digits in two patients. In patients with missing of central digits, an adjacent metacarpal was hypertrophied. Although the ulnar variances were within normal range, the average lengths of radius and ulna were 6% and 5% shorter than those of contralateral normal side. The average width of the wrist was 9% narrower than that of contralateral normal side. Conclusions: Syndactyly and hypertrophied metacarpal were most commonly observed findings in the oligodactyly with thumb. Although oligodactyly with thumb may be a type of ulnar longitudinal deficiency, however, it can also be a type of central deficiency or combined type of ulnar longitudinal deficiency with central deficiency or radial longitudinal deficiency. We suggest a classification system of oligodactyly with thumb based on locations of missing digits and associated thumb deformities. [ABSTRACT FROM AUTHOR]