Presenter: Sean Branch, DO., Tanya Ermolovich, D.O., Filomena Scola, D.O.
Dermatology Program: Lehigh Valley Hospital/ PCOM
Program Director: Stephen Purcell, D.O.
Submitted on: Apr 5, 2013
CHIEF COMPLAINT: Enlarging lesion on the 3rd digit of her right hand for approximately three years
Signs and symptoms: Asymptomatic, pt only reports increased size
Previous Treatment: Topical 17% salicylic acid x three weeks then discontinued due to significant irritation and bleeding
There is a large, firm, pink, pedunculated tumor measuring 4.5 x 4.5 cm emanating from the proximal nail fold on the 3rd digit of the right handB
On H&E sections the mass is sparsely populated by bland spindle cells with dense collagenization with focal myxoid areas. The overlaying skin is unremarkable. Immunohistochemical stains are negative for CD34, S100, EMA and SMA.
1. Solitary fibrous tumor
2. Fibroma of the tendon sheath
3. Fibromyxoid sarcoma
4. Sclerotic fibroma
5. Nodular fasciitis