Molten - wax appearance is seen in -
Melorheostosis Irregular coical hyperostosis involving one side on bone giving the appearance of melted wax/dripping candle wax/flowing candle wax. Pathology involves overproduction of bone matrix and increased angiogenesis
Osteoporosis
Osteopoikilosis
Melorheostosis
Osteogenesis imperfecta
Skeletal system