Question 891
{"accessible":false,"alternatives":[{"id":4479,"text":"mesomelia"},{"id":4480,"text":"hemimelia"},{"id":4481,"text":"phocomelia"},{"id":4482,"text":"micromelia"},{"id":4483,"text":"amelia"}],"archived":false,"correctAlternativeId":4480,"explanation":"\u003cp\u003eThe terms above can be divided into those that describe \"shortening\" of the limb\u0026nbsp;compared to \"absence or hypoplasia\" of a segment of the\u0026nbsp;limb.\u003c/p\u003e\u003cp\u003eMicromelia refers to shortening of all segments of the\u0026nbsp;limb. \u003ca title=\"Rhizomelia\" class=\"internal\" href=\"/articles/rhizomelic-dwarfism\"\u003eRhizomelia\u003c/a\u003e describes shortening of the\u0026nbsp;proximal portion of the\u0026nbsp;limb (e.g. femur, humerus). \u003ca href=\"/articles/mesomelia\"\u003eMesomelia\u003c/a\u003e describes shortening of the intermediate portion of the\u0026nbsp;limb (e.g. radius, ulna, tibia, fibula). Acromelia describes shortening of the distal portion of a limb (e.g. hands and feet).\u003c/p\u003e\u003cp\u003e\u003ca href=\"/articles/amelia\"\u003eAmelia\u003c/a\u003e is characterised by a complete absence of the\u0026nbsp;limb.\u0026nbsp;\u003ca href=\"/articles/phocomelia\"\u003ePhocomelia\u003c/a\u003e describes an absent or hypoplastic proximal to mid portions of the limb, with a normal or nearly normal hand or foot attached to the trunk.\u0026nbsp;Hemimelia\u0026nbsp;is the correct answer above, as it describes an absent or hypoplastic distal portion of the limb (see \u003ca href=\"/articles/fibular-hemimelia\"\u003efibular hemimelia\u003c/a\u003e, \u003ca href=\"/articles/radial-hemimelia\"\u003eradial hemimelia\u003c/a\u003e).\u003c/p\u003e","id":891,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/891","nextQuestionPath":null,"relatedArticles":[{"id":27389,"title":"Fibular hemimelia","link":"/articles/fibular-hemimelia?lang=gb"},{"id":31125,"title":"Amelia","link":"/articles/amelia?lang=gb"},{"id":13608,"title":"Phocomelia","link":"/articles/phocomelia?lang=gb"},{"id":15286,"title":"Mesomelia","link":"/articles/mesomelia?lang=gb"},{"id":8412,"title":"Rhizomelic dwarfism","link":"/articles/rhizomelic-dwarfism?lang=gb"},{"id":27342,"title":"Ulnar hemimelia","link":"/articles/ulnar-hemimelia?lang=gb"},{"id":32616,"title":"Radial hemimelia","link":"/articles/radial-hemimelia?lang=gb"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich is another name for a congenitally absent or hypoplastic distal portion of the limb?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/891"}],"attemptsPercentages":[{"alternativeId":"4481","percentage":23},{"alternativeId":"4480","percentage":26},{"alternativeId":"4479","percentage":18},{"alternativeId":"4482","percentage":13},{"alternativeId":"4483","percentage":20}],"promptToLogin":false,"questionManager":false,"articleId":"skeletal-dysplasia"}