Cellular Dermatofibroma: Causes, Symptoms & Treatment - Cleveland Clinic
2022年4月8日 · Cellular dermatofibromas look like small round or oval bumps. They’re usually less than 1 centimeter (cm) in diameter. They may be flesh-colored, brown or reddish-brown.
Pathology Outlines - Dermatofibroma (cutaneous fibrous histiocytoma)
2022年4月11日 · Most useful stain based on evidence is CD163; factor XIIIa is variable in dermatofibroma; CD68 and CD10 are less specific for fibrohistiocytic lineage Ki67 and PHH3 can also be used to show increased proliferation index in dermatofibroma (compared to low index in dermatofibrosarcoma protuberans) (Am J Dermatopathol 2017;39:504)
Dermatofibroma: Causes, images, and treatment - Medical News Today
2021年8月31日 · Dermatofibromas are harmless growths within the skin that usually have a small diameter. They can vary in color but are typically pink to light brown in light skin and dark brown or black...
Dermatofibroma (histiocytoma)
A dermatofibroma usually presents as a solitary firm papule or nodule on a limb. A dermatofibroma can occur anywhere on the skin. Dermatofibroma size varies from 0.5–1.5 cm diameter; most lesions are 7–10 mm diameter. A dermatofibroma is tethered to the skin surface and mobile over subcutaneous tissue.
Cellular dermatofibroma: A hyperkeratotic indurated plaque on …
It typically presents as a single skin-colored, red or red-brown, round or oval papule less than 1 cm in diameter presenting on the extremities of young to middle-aged patients. Dermatofibroma is characterized by a long list of variants; in 1994 LeBoit and Barr described 25 subtypes, and Yus et al. added three additional subtypes in year 2000 ...
Dermatofibroma | Reasons You Get It and How It’s Treated | Buoy
2024年4月25日 · A dermatofibroma may form a small dimple in the middle when you pinch it. This is called the “dimple sign.” Main symptoms. Firm raised papule; 5mm to 1cm diameter; Pink, tan, or brown; Painless, but may itch or feel irritating; May have a dimple sign when squeezed
Dermatofibromas - dermoscopedia
2017年7月16日 · Dermatofibromas (DFs) are prevalent cutaneous lesions that most frequently affect young to middle-aged adults, with a slight predominance in females. Clinically, dermatofibromas appear as firm, single or multiple papules/nodules with a relatively smooth surface and predilection for the lower extremities.
Distinguish Dermatofibroma From a Mole With a Pinch Test
2022年10月28日 · Sometimes a dermatofibroma is confused with a mole. The way to tell the difference between the two is to pinch the bump. If you pinch a dermatofibroma, it creates a dimple because it is attached to the underlying subcutaneous tissue. On the other hand, if you pinch a mole, it projects up away from the skin.
Dermatofibroma - VisualDx
2022年2月15日 · Atypical DF (DF with monster cells): This variant is usually seen in middle-aged adults. Lesions are slightly larger than 1 cm in diameter and are clinically similar to common DFs. Although the overwhelming majority of DFs are benign, exceedingly rare cases of distant metastases have been reported from cellular, aneurysmal, and atypical DF ...
Combined dermatofibroma: co-existence of two or more …
Aims: Based on a series of 25 cases, we define and characterize combined dermatofibroma, a tumour comprising two or more variant patterns of dermatofibroma in a single lesion. Method and results: Dermatofibroma may present with a wide variety …