What is a blue lump?
Haemangiomas are another benign, usually painless skin lesion, formed from an excessive growth of blood vessels in the skin. They are usually firm lumps and can present as cherry angiomas, venous lakes or spider angiomas. Depending on how deep in the skin they are, they can be red, purple or even deep blue.
What does a knot under the skin mean?
While potentially uncomfortable, these types of lumps are harmless and are not cancerous. More rarely, a lump under the skin can indicate cancer. Cancerous lumps under the skin can be harmful and should be attended to by a doctor.
What is a purple nodule?
Aneurysmal dermatofibroma, also known as aneurysmal fibrous histiocytoma (AFH) was initially described in 1981 [9]. It presents as single dark papules or nodules, most commonly located on the lower limbs, which occasionally grow quickly and may bleed.
Why does a cyst turn blue?
Large cysts often contain brown fluid, which imparts a blue color onto the intact cyst (i.e., the blue-domed cyst of Bloodgood) [1]. Histologically, they are lined by a flattened columnar epithelium with apocrine cell features, or they may completely lack an epithelial lining.
Can cysts be blue?
Large cysts often contain brown fluid, which imparts a blue color onto the intact cyst (i.e., the blue-domed cyst of Bloodgood) [1].
Can tumors turn purple?
Kaposi Sarcoma (KS) This type of cancer develops from the cells that line lymph or blood vessels. It can appear on the skin as a darkish/purple-colored tumor (or lesion) or on the inside of the mouth. Although lesions typically do not cause symptoms, they can spread to other parts of the body.
What is a hard pea sized lump?
Cysts can appear anywhere on your body and may look and feel like a small, hard pea. The most common causes of cyst formation include clogged oil glands, infections, and a growth that develops around a foreign body such as an earring or navel ring.