Benign Tumors of the Skin

Benign Tumors of the Skin is further divided into

Benign Melanocytic Tumors

» What is a mole?
» What is a nevus?
» Are there different types of melanocytic nevi?
» How do melanocytes get to the skin?
» Explain the natural developmental history of melanocytic nevi.
» What is a halo nevus?
» What is a congenital nevus?
» What is the risk of developing a malignant melanoma in a congenital nevus?
» What is a blue nevus?
» Can blue nevi become malignant?
» What is a combined melanocytic nevus?
» How does a nevus of Ota differ from a nevus of Ito?
» What is the best way to treat nevus of Ota?
» What is a Mongolian spot?
» What is a Spitz nevus?
» Where do Becker’s nevi occur?
» What is a dysplastic (atypical) melanocytic nevus?
» What is the preferred terminology for dysplastic (atypical) nevi?
» What is the clinical relevance of atypical melanocytic nevi?
» Describe the genetic mutations found in atypical melanocytic nevi.
» How common are atypical melanocytic nevi?
» Is there a difference between an atypical nevus and melanoma in situ?
» What is the recommended treatment for an atypical nevus and melanoma in situ?
» Describe the clinical appearance of atypical nevi.
» Is there a difference between a liver spot and a freckle?
» What is a café-au-lait macule?
» What is a nevus spilus?
» Can melanocytic nevi arise in locations other than the skin?
» What is a labial lentigo?




Vascular and Lymphatic Neoplasms

» Which is the most common benign vascular neoplasm of childhood?
» What are the clinical subtypes of HOI?
» Name the complications of hemangiomas.
» What is the most common complication of hemangiomas?
» Are there any residua of hemangiomas after regression?
» What is Kasabach-Merritt syndrome?
» Name the two vascular tumors most commonly associated with the Kasabach-Merritt syndrome.
» Port wine stains and lymphangiomas are not neoplasms. What are they?
» What is the difference between a vascular malformation and a vascular neoplasm?
» What is Klippel-Trénaunay syndrome?
» How does Klippel-Trénaunay-Weber syndrome differ from Klippel-Trénaunay syndrome?
» What are blue-black hyperkeratotic vascular papules?
» Where and in whom are cherry angiomas most commonly seen?
» Where do you find venous lakes?
» What is the most common presenting feature of a pyogenic granuloma?
» Where are you likely to find a lesion of angiolymphoid hyperplasia?
» What vascular tumor is associated with the Sucquet-Hoyer canal?
» Matlike telangiectasias on the face, lips, tongue, ears, hands, and feet associated with internal bleeding is known as what syndrome?
» What is the most common cause of acquired facial telangiectasia?
» Which benign acquired vascular disease is often initially confused with Kaposi’s sarcoma?
» What is a cystic hygroma?
» Name the types of lymphatic malformations.
» Can you treat deep macrocystic lymphatic malformations?
 

Fibrous Tumors of the Skin

» What are tumors of fibrous tissue?
» What is an acrochordon?
» Is there a known cause for acrochordons?
» Are any complications associated with acrochordons?
» Are acrochordons associated with intestinal polyposis?
» How can acrochordons be treated?
» What is a hypertrophic scar?
» What is a keloid?
» List the clinical features useful in distinguishing hypertrophic scars from keloids.
» Do any factors predispose to hypertrophic scars and keloids?
» List the anatomic regions of the body that are most at risk to develop keloids.
» Are there effective treatments for hypertrophic scars and keloids?
» What is an acquired digital fibrokeratoma?
» Has a cause been identified for acquired digital fibrokeratoma?
» How can an acquired digital fibrokeratoma be treated?
» What is nodular fasciitis?
» What is a connective tissue nevus?
» Why are connective tissue nevi important?
» What is the gene defect in Buschke-Ollendorf syndrome?
» What is infantile digital fibromatosis?
» Describe the natural history of infantile digital fibromatosis.
» What is a dermatofibroma?
» What is a positive “dimple” sign?
» Do dermatofibromas transform into skin cancer?
» What is the best way to treat a dermatofibroma?
» Are multiple dermatofibromas associated with any internal diseases?
» What is a “fibrous papule of the nose”?
» How is a fibrous papule of the nose best treated?
» What are “giant cell tumors of the tendon sheath”?