Elongation of the digit rays resulting in the formation of a defined number of phalanges is a process poorly understood in mammals, whereas in the chicken distal mesenchymal bone morphogenetic protein (BMP) signaling in the so-called phalanx-forming region (PFR) or digit crescent (DC) seems to be involved. The human brachydactylies (BDs) are inheritable conditions characterized by variable degr...

Objective- To measure statistically bone cortex to diameter  (C/D) ratio in metocarpo/metatarsal and proximal phalanges in camel. This ratio may be used in diagnosing possible metabolic and nutritional diseases in camel. Design- Experimental study. Animals- Twelve camel limbs (6 fore limbs & 6 hind limbs)      Procedures- This study was conducted on dorsopalmar/dorsoplantar radiographs of t...

BACKGROUND Principal component analysis (PCA) enables the building of statistical shape models of bones and joints. This has been used in conjunction with computer assisted surgery in the past. However, PCA of the clavicle has not been performed. Using PCA, we present a novel method that examines the major modes of size and three-dimensional shape variation in male and female clavicles and sugg...

I n 1967, Bachman described a ‘‘hereditary peripheral dysostosis’’ which affected a mother and her two children. What was later considered as multiple epiphyseal dysplasia combined with phalangeal cone shaped epiphyses was renamed angel shaped phalangoepiphyseal dysplasia (ASPED) and considered as a genetic bone marker. ASPED represents a further variety of multiple epiphyseal dysplasia and is ...

different opinions exit in histological typing of bone cysts. epidermoid cysts are very rare as the small numbers of published cases indicate. they arises following preceding trauma exclusively in distal phalanges and skull. the roentgenogram shows a round osteolytic resion with no trabecular pattern. we observed 2 cases of epidermoid cyst of finger in imam khomeini hospital central path depart...

Acrodermatitis continua of Hallopeau (ACH) is a rare variant acral pustular psoriasis, exclusively involving the distal phalanges and nails hands feet. We herein report case concurrent ACH psoriatic arthritis sine psoriasis presenting with dactylitis. The patient was successfully treated biologics apremilast.

Cleidocranial Dysplasia (CCD) or dysostosis is a very rare, under-diagnosed pathology caused by variable degree of expression dominant gene. It characterized skeletal malformations, which can be expressed in different clinical and imagenologic findings, with classic triad; late closure cranial sutures, hypoplasia aplasia clavicles dental abnormalities. We present case 46 years old male, no prev...