Acute oxalate nephropathy, caused by either primary or secondary hyperoxaluria, is characterized by the presence of tubulointerstitial deposits of oxalate, accompanied by an interstitial inflammatory reaction. We report the case of a type 2 diabetic patient who developed terminal chronic renal failure on acute oxalate nephropathy. The patient was seen in the Emergencies Department with a loss of cutaneous substance at the level of the wrist with a whitish suppurative deposit. The radiological assessment showed various joint opacities at the level of the wrist, the metacarpophalangeal and interphalangeal joints. A non-regressive ARF (particularly in a diabetic patient) should lead to a search for exocrine pancreatic insufficiency with secondary hyperoxaluria. A kidney biopsy should be performed quickly to support this diagnostic suspicion.

Volar dislocation of the proximal interphalangeal joint phalanx of the fingers is a very rare entity. Indeed, there is still no consensus that specifies the treatment of this injury. The closed reduction external maneuver should always be tried first intention, but it can lead to failure and will be followed by surgical treatment. We report the case of palmar dislocation of the proximal interphalangeal joint phalangeal pure treated by opened and surgical reduction, followed by an arhtorisis by a Kirschner pin size 16.

Giant cell tumor is a benign tumor mainly affecting the epiphyses of the long bones. It mainly affects young adults between the ages of 20 and 40. Its origin remains uncertain. It is a purely lytic and usually aggressive tumor that destroys bone, possibly even leading to a fracture. Occasionally, there may be invasion of the soft tissues. Axial computed tomography or magnetic resonance are very useful in determining tumor extension. The differential diagnosis mainly includes lesions affecting the epiphyseal regions of the bones such as chondroblastoma and clear cell chondrosarcoma. The treatment of giant cell tumor is first and usually surgical. It consists of an extensive curettage under direct vision through a large bone window. Curettage can be made more effective by using physicochemical means such as phenol or liquid nitrogen to sterilize the tumor bed and reduce the risk of local recurrence. The risk of recurrence is significant, even with modern means of curettage and is typically around 30%. Large resection of the diseased bone segment is indicated for regions where it does not cause significant functional deficit. The risk of recurrence is then much lower. Although presenting a benign appearance on histopathological examination, “benign” pulmonary metastases can sometimes be seen. Recent studies suggest the presence of chromosomal abnormalities or the expression of certain genes, which could explain the behavior, sometimes even malignant, of these tumors.

The scaphoïd pseudarthrosis is the most common complication of fractures of the carpal bones. This is a retrospective study of 16 observations of non-union of the carpal scaphoid, collected at the Department of Traumatology and Orthopedics of Rabat, over a period of 4 years from 2018 to 2022.The average age is 29,8 years, with a male predominance (94%). Initially, it was an orthopedic treatment in 4 cases and the fracture was unknown in 12 cases. In our serie according to Schernberg classification : 1 case was stage I (6%). 8 cases were Stage II (50%). 4 cases were Stage III (25%). 3 cases were stage IV (17 %). According to the classification of Alnot : 3 cases were stage I (19%), 4 cases were stage IIA (25%), 2 cases were stage IIB (12 %), 5 cases were stage III (31%), two cases were stage IV (13%). The consolidation was achieved in 91%. The purpose of this study is to describe the epidemiological and clinical radio carpal scaphoid non-unions and show the interest of MATTI-RUSSE technique. The clinical and radiological results are reported and analyzed according to the literature.

Osteoid osteoma is a benign primary bone tumor. This tumor is relatively commom; it represents 12 % of all benign bone tumors and about 2 to 3 % of all bone tumors. We report in this work a case of osteoid osteoma which underwent arthroscopic resection. This study concerns a 19-year-old patient referred for chronic ankle pain evolving for 6 months.