Dimple sign

Last updated January 03, 2026

The dimple sign or Fitzpatrick's sign is a dermatological sign in which lateral pressure on the skin produces a depression.^[1]^[2] It is associated with dermatofibroma.^[3]

References

↑ Aradi AJ, Wong J, Walsh M (March 1988). "The dimple sign of a ruptured lateral ligament of the ankle: brief report". J Bone Joint Surg Br. 70 (2): 327–8. doi:10.1302/0301-620X.70B2.3126191. PMID 3126191. Archived from the original on 2019-12-10. Retrieved 2012-03-30.
↑ Naversen DN, Trask DM, Watson FH, Burket JM (February 1993). "Painful tumors of the skin: "LEND AN EGG"". J. Am. Acad. Dermatol. 28 (2 Pt 2): 298–300. doi:10.1016/0190-9622(93)70039-V. PMID 8436643.
↑ Zaballos P, Llambrich A, Ara M, Olazarán Z, Malvehy J, Puig S (February 2006). "Dermoscopic findings of haemosiderotic and aneurysmal dermatofibroma: report of six patients". Br. J. Dermatol. 154 (2): 244–50. doi:10.1111/j.1365-2133.2005.06844.x. PMID 16433792. S2CID 22308659.

Luba MC, Bangs SA, Mohler AM, Stulberg DL (February 2003). "Common benign skin tumors". Am Fam Physician. 67 (4): 729–38. PMID 12613727.
Zelger B, Zelger BG, Burgdorf WH (October 2004). "Dermatofibroma-a critical evaluation". Int. J. Surg. Pathol. 12 (4): 333–44. doi:10.1177/106689690401200406. PMID 15494859. S2CID 20608491.

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[1] Aradi AJ, Wong J, Walsh M (March 1988). "The dimple sign of a ruptured lateral ligament of the ankle: brief report". J Bone Joint Surg Br. 70 (2): 327–8. doi:10.1302/0301-620X.70B2.3126191. PMID 3126191. Archived from the original on 2019-12-10. Retrieved 2012-03-30.

[2] Naversen DN, Trask DM, Watson FH, Burket JM (February 1993). "Painful tumors of the skin: "LEND AN EGG"". J. Am. Acad. Dermatol. 28 (2 Pt 2): 298–300. doi:10.1016/0190-9622(93)70039-V. PMID 8436643.

[3] Zaballos P, Llambrich A, Ara M, Olazarán Z, Malvehy J, Puig S (February 2006). "Dermoscopic findings of haemosiderotic and aneurysmal dermatofibroma: report of six patients". Br. J. Dermatol. 154 (2): 244–50. doi:10.1111/j.1365-2133.2005.06844.x. PMID 16433792. S2CID 22308659.

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v t e Signs and symptoms relating to skin and subcutaneous tissue
Disturbances of skin sensation	Hypoesthesia Paresthesia Formication Hyperesthesia Hypoalgesia Hyperalgesia
Circulation	Cyanosis Pallor Livedo Livedo reticularis Flushing Petechia Blanching
Edema	Peripheral edema Anasarca
Other	Rash Desquamation Induration Diaphoresis Mass Neck mass
Skin	Asboe-Hansen sign Auspitz's sign Borsari's sign Braverman's sign Crowe sign Dennie–Morgan fold Darier's sign Fitzpatrick's sign Florid cutaneous papillomatosis Gottron's sign Hutchinson's sign Janeway lesion Kerr's sign Koebner's phenomenon Koplik's spots Leser-Trelat sign Nikolsky's sign Pastia's sign Russell's sign Wickham striae Wolf's isotopic response Munro's microabscess
Nails	Aldrich-Mees' lines Beau's lines Muehrcke's lines Terry's nails

Dimple sign

References

Further reading