Without treatment, DFSP can grow deep into the fat, muscle, and even bone. If this happens, treatment can be difficult. The first sign of this skin cancer is often a small bump on the skin.
Full Answer
How is dermatofibrosarcoma protuberans (DFSP) treated?
The preferred initial treatment for a localized dermatofibrosarcoma protuberans (DFSP) is resection with pathologically negative margins. Tumor size and location dictate the most appropriate surgical procedure. Given that metastases to lymph nodes are extremely rare [2], there is no role for prophylactic regional node dissection.
What is the risk of recurrence of dermabrasion-induced spondylitis (DFSP)?
This fact, coupled with the rarity of DFSP and diagnostic delay, often leads to inadequate initial resection. The risk of a local recurrence is as high as 50 percent with simple excision ("conservative" surgical margins), and it is even higher if the margins are positive [ 1,3-6 ].
What is the risk of recurrence of dermatofibrosarcoma protuberans (DRP)?
The risk of a local recurrence is as high as 50 percent with simple excision ("conservative" surgical margins), and it is even higher if the margins are positive [ 1,3-6 ]. (See "Dermatofibrosarcoma protuberans: Epidemiology, pathogenesis, clinical presentation, diagnosis, and staging", section on 'Histology' .)

Can DFSP spread?
DFSP is most commonly found on the torso, but can also be seen on the arms, legs, head and neck. It has a tendency to recur in the same location after it is removed. However, it only spreads to other parts of the body in about 5% of cases.
How serious is DFSP?
The overall prognosis of dermatofibrosarcoma protuberans is good, with a 10-year survival rate of 99.1%. As metastasis is rare, morbidity due to local recurrence is a more common issue. Age older than 50 is a risk factor for local recurrence.
Is DFSP a cancer?
Dermatofibrosarcoma protuberans (DFSP) is a rare type of skin cancer. It starts in connective tissue cells in the middle layer of the skin (dermis).
Can DFSP spread to lymph nodes?
Dermatofibrosarcoma Protuberans (DFSP) is an uncommon cutaneous soft tissue tumor. It is locally invasive and is known to recur. Metastases are rare and occur most commonly to the lungs. Metastasis to lymph nodes is extremely rare with only a few case reports in literature.
Can dermatofibroma turn cancerous?
However, if a person has a growth that looks like a dermatofibroma but is rapidly growing or changing, they should seek medical advice. This growth may be a sign of a rare type of cancer called dermatofibrosarcoma protuberans.
Can DFSP cause other cancers?
Specifically, female patients with DFSP were at increased risk of other nonepithelial skin cancer (O:E, 14.50; 95% CI, 3.46-38.98), melanoma (O:E, 2.59; 95% CI, 1.02-5.35), and breast cancer (O:E, 1.44; 95% CI, 1.00-2.00).
How long can you live with sarcoma cancer?
5-year relative survival rates for soft tissue sarcomaSEER Stage5-Year Relative Survival RateLocalized81%Regional56%Distant15%All SEER stages combined65%Feb 2, 2021
What does DFSP feel like?
When dermatofibrosarcoma protuberans (DFSP) first appears on the skin, a person may notice: A pimple-like growth or rough patch of skin. No pain or tenderness where the growth or patch forms. Little change in the growth or patch.
How fast does dermatofibroma grow?
Usually, they develop over time, growing slowly until they reach less than 1 cm (about ¼ inch) in size. On rare occasions, larger lesions do occur, but dermatofibromas larger than 1 cm should be evaluated by a doctor.
Does sarcoma cause swollen lymph nodes?
Most stage II and III sarcomas are high-grade tumors. They tend to grow and spread quickly. Some stage III tumors have already spread to nearby lymph nodes. Even when these sarcomas have not yet spread to lymph nodes, the risk of spread (to lymph nodes or distant sites) is very high.
Does sarcoma affect lymph nodes?
Sarcomas are different, as they generally do not start in organs and rarely spread to the lymph glands. Rather they mostly travel through the blood stream and may eventually spread to the liver, lungs, and, rarely, the brain.
How do you prevent DFSP?
One way to reduce DFSP from returning may be to treat patients with both excision and Mohs surgery. In one small study, the cancer did not return when patients received both excision and Mohs. More research is needed to find out whether this can reduce the risk of DFSP returning.
Who gets DFSP?
Who gets DFSP? People of all ages get this rare skin cancer. Most people are diagnosed when they are between 20 and 50 years of age. Although unusual, children get DFSP.
Can DFSP come back?
Dermatofibrosarcoma protuberans (DFSP) is very rare tumor of dermis layer of skin with the incidence of only 1 case per million per year. DFSP rarely leads to a metastasis (Less than 5% have metastasis), but DFSP can recur locally.
What causes dermatofibrosarcoma protuberans?
Causes. Dermatofibrosarcoma protuberans is associated with a rearrangement (translocation) of genetic material between chromosome 17 and chromosome 22. This translocation, written as t(17;22), fuses part of the COL1A1 gene from chromosome 17 with part of the PDGFB gene from chromosome 22.
How to treat Dermatofibrosarcoma Protuberans?
Dermatofibrosarcoma protuberans treatment typically involves surgery to remove the cancer. Other treatments may be used to kill cancer cells that might remain after surgery. Treatment options may include: Surgery to remove the cancer. For most cancers, your doctor may recommend a procedure to remove the cancer and some of the healthy tissue ...
How to diagnose dermatofibrosarcoma?
Tests and procedures used to diagnose dermatofibrosarcoma protuberans include: 1 Skin examination. Your doctor will carefully inspect your skin to understand your condition. 2 Skin biopsy. Your doctor will remove a small amount of tissue for testing. Specialized laboratory tests can determine if cancer cells are present. 3 Imaging tests. In certain cases, your doctor may recommend imaging tests, such as an MRI, to better understand the extent of your cancer and to help with treatment planning.
Can Mohs surgery be used for cancer?
After each layer of skin is removed, it's examined for signs of cancer. The process continues until there are no signs of cancer. Mohs surgery may be particularly helpful for treating larger cancers because dermatofibrosarcoma protuberans tends to grow in an irregular shape that makes it difficult to remove completely.
Can you remove cancer cells during Mohs surgery?
For most cancers, your doctor may recommend a procedure to remove the cancer and some of the healthy tissue that surrounds it (excisional surgery with a normal margin of tissue). This makes it more likely that all of the cancer cells are removed during surgery. Mohs surgery.
Can dermatofibrosarcoma protuberans cause cancer?
Some people with dermatofibrosarcoma protuberans have cancer cells that produce an excess protein. A drug called imatinib (Gleevec) can target those cells and cause them to die. Your doctor may recommend this treatment if your cancer returns after surgery. Clinical trials.
What does DFSP feel like?
As DFSP grows inside the middle layer of skin, it tends to push on the top layer of skin. You may see a lump, also known as a protuberan (pro-to-bur-an). The lump may feel hard or rubbery. As the lump grows, it stretches the skin. You may notice that the affected skin:
How long does dermatofibrosarcoma go unnoticed?
This skin cancer tends to grow slowly so it often goes unnoticed for months — or even years. When dermatofibrosarcoma protuberans (DFSP) first appears on the skin, a person may notice:
Dermatofibrosarcoma protuberans (DFSP): Overview
Dermatofibrosarcoma protuberans: This raised, reddish-brown patch began as a small red lump that grew slowly.
Dermatofibrosarcoma protuberans (DFSP): Signs and symptoms
Dermatofibroma: DFSP often looks like this harmless and common skin growth, a dermatofibroma.
Dermatofibrosarcoma protuberans (DFSP): Who gets and causes
People of all ages get this rare skin cancer. Most people are diagnosed when they are between 20 and 50 years of age.
Dermatofibrosarcoma protuberans (DFSP): Diagnosis and treatment
Your dermatologist will closely examine your skin. If your dermatologist suspects you have DFSP, you will need a skin biopsy. This is the only way to diagnose skin cancer. Your dermatologist can safely perform a skin biopsy during an office visit.
Dermatofibrosarcoma protuberans (DFSP): Tips for managing
Findings from research studies suggest that patients treated for dermatofibrosarcoma protuberans (DFSP) should:
