| Chaddock sign | <clinical sign> When the external malleolar skin area is irritated, extension of the great toe occurs in cases of organic disease of the corticospinal reflex paths. Synonym: Chaddock reflex, external malleolar sign. (05 Mar 2000) |
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| Chadwick's sign | <clinical sign> A bluish discoloration of the cervix and vagina, a sign of pregnancy. (05 Mar 2000) |
| Goodell's sign | <clinical sign> Softening of the cervix and vagina as being usually indicative of pregnancy. (05 Mar 2000) |
| chalice sign | <radiology> Dilatation of ureter distal to neoplasm, not seen with calculi or thrombi Synonym: Bergman sign (12 Dec 1998) |
| Perez' sign | <clinical sign> Rales audible over the upper part of the chest when the arms are alternately raised and lowered; common in cases of fibrous mediastinitis and also of aneurysm of the aortic arch. (05 Mar 2000) |
| chandelier sign | <clinical sign> Colloquial term referring to severe pain elicited during pelvic examination of patients with pelvic inflammatory disease in which the patient responds by reaching upwards towards the ceiling for relief. (05 Mar 2000) |
| Gordon's sign | A sign of organic hemiplegia; with the patient's elbow resting on a table, the patient's wrist is grasped by the examiner's hand, the thumb of which is used to exert pressure on the radial side of the patient's pisiform bone; if the hemiplegia is organic, some or all of the patient's fingers become extended and spread out in a fanlike form. Synonym: Gordon's sign. (05 Mar 2000) |
| reversed-three sign | On an oesophagram of a patient with coarctation of the aorta, the shape of the contrast-filled oesophagus caused by the aortic arch (upper convexity) and post-stenotic dilatation (lower convexity); the cusp of the backwards 3 is at the level of the coarctation itself. (05 Mar 2000) |
| Gorlin's sign | <clinical sign> Unusual ease in touching the tip of the nose with the tongue; seen in Ehlers-Danlos syndrome. (05 Mar 2000) |
| Gottron's sign | <clinical sign> Gottron's patches are scaly, patchy redness over the knuckles and is seen in patients with dermatomyositis, an inflammatory muscle disorder. (see polymyositis). (20 Sep 2002) |
| Revilliod's sign | In hemiplegia, inability to voluntarily close the eye on the paralysed side except in conjunction with closure of the other eye. Synonym: Revilliod's sign. (05 Mar 2000) |
| Chaussier's sign | <clinical sign> Severe pain in the epigastrium, a prodrome of eclampsia; may be of central origin or caused by distention of the capsule of liver by haemorrhage. (05 Mar 2000) |
| Graefe's sign | <clinical sign> In Grave's disease, lag of the upper eyelid as it follows the rotation of the eyeball downward. Synonym: von Graefe's sign. (05 Mar 2000) |
| Grasset's sign | <clinical sign> Normal contraction of the sternocleidomastoid muscle on the paralysed side in cases of hemiplegia. (05 Mar 2000) |
| Grey Turner's sign | <clinical sign> Local areas of discoloration about the umbilicus and in the region of the loins, in acute haemorrhagic pancreatitis and other causes of retroperitoneal haemorrhage. (05 Mar 2000) |