| PPF | pellagra preventive factor; phagocytosis promoting factor; phosphonoformate; plasma protein fraction... |
|---|---|
| PRF | partial reinforcement; patient report form; perforin; plasma recognition factor; pontine reticular f... |
| PSF | peak scatter factor; peptide supply factor; point spread function; pseudosarcomatous fasciitis |
| RIF | radiological interface; release-inhibiting factor; rifampin; right iliac fossa; rosette-inhibiting f... |
| SBF | serologic-blocking factor; specific blocking factor; splanchnic blood flow |
| stierlin sign | <radiology> Terminal ileum empties directly into stenotic ascending colon with non-opacification of the fibrotic and contracted caecum, associated with tuberculous involvement of the ileocaecum (12 Dec 1998) |
|---|---|
| Stierlin's sign | <clinical sign> Repeated emptying of the caecum, seen radiographically, with barium remaining in the terminal part of the ileum and in the transverse colon; due to irritation of the caecum, sometimes caused by tuberculous cecitis (typhilitis). (05 Mar 2000) |
| Straus' sign | <clinical sign> In facial paralysis, if an injection of pilocarpine is followed by sweating on the affected side later than on the other, the lesion is peripheral. (05 Mar 2000) |
| string sign | In paediatric gastrointestinal radiology, the narrowed pyloric canal seen with congenital pyloric stenosis; also used to describe a narrowed segment in regional ileitis on small bowel series. (05 Mar 2000) |
| Nikolsky's sign | <clinical sign> A peculiar vulnerability of the skin in pemphigus vulgaris; the apparently normal epidermis may be separated at the basal layer and rubbed off when pressed with a sliding motion. (05 Mar 2000) |
| subjective sign | A sign that is perceived only by the patient. (05 Mar 2000) |
| Dalrymple's sign | <clinical sign> Retraction of the upper eyelid in Graves' disease, causing abnormal wideness of the palpebral fissure. (05 Mar 2000) |
| Dance's sign | <clinical sign> A slight retraction in the neighborhood of the right iliac fossa in some cases of intussusception. (05 Mar 2000) |
| Danforth's sign | <clinical sign> Shoulder pain on inspiration, due to irritation of the diaphragm by a haemoperitoneum in ruptured ectopic pregnancy. (05 Mar 2000) |
| Darier's sign | <clinical sign> Urtication on stroking of cutaneous lesions of urticaria pigmentosa (mastocytosis). (05 Mar 2000) |
| Sumner's sign | <clinical sign> A slight increase in tonus of the abdominal muscles, an early indication of inflammation of the appendix, stone in the kidney or ureter, or a twisted pedicle of an ovarian cyst; it is detected by exceedingly gentle palpation of the right or left iliac fossa. (05 Mar 2000) |
| Dawbarn's sign | <clinical sign> Pain of subacromial bursitis disappears when the arm is abducted. (05 Mar 2000) |
| superior triangle sign | In chest radiology, widening of the superior mediastinum, usually on the right, associated with collapse of the lower lobe producing traction on the mediastinal pleura. (05 Mar 2000) |
| Dejerine's sign | <clinical sign> Aggravation of symptoms of radiculitis by the acts of coughing, sneezing, or straining to defecate. (05 Mar 2000) |
| Delbet's sign | <clinical sign> In a case of aneurysm of a main artery, efficient collateral circulation if the nutrition of the part below is well maintained, despite the fact that the pulse has disappeared. (05 Mar 2000) |