| OFCTAD | occipito-facio-cervico-thoraco-abdomino-digital dysplasia |
|---|---|
| OFD | object-film distance; occipital frontal diameter; oro-facial-digital [syndrome] |
| PDA | patent ductus arteriosus; personal digital assistant; posterior descending artery; pulmonary disease... |
| RDFC | recurring digital fibroma of childhood |
| SDSL | symmetrical digital single line |