Dermal and subcutaneous growths

Hirsuties coronae glandis (also known as "hirsutoid papillomas" and "pearly penile papules") are small protuberances that may form on the ridge of the glans of the human penis.

Telangiectasias /tɛlˌæn.

Cutis marmorata telangiectatica congenita or CMTC is a rare congenital vascular disorder that usually manifests in affecting the blood vessels of the skin.

Chordoma is a rare slow-growing neoplasm thought to arise from cellular remnants of the notochord.

A ganglion cyst is a soft tissue lump that may occur in any joint, but most often occurs on, around, or near joints and tendons in the hands or feet.

A port-wine stain (nevus flammeus), also commonly called a firemark, is almost always a birthmark; in rare cases it can develop in early childhood.

A neurofibroma is a benign nerve sheath tumor in the peripheral nervous system.

A glomus tumor (also known as a "solitary glomus tumor," "solid glomus tumor," or glomangioma) is a rare benign neoplasm arising from the glomus body and mainly found under the nail, on the fingertip or in the foot.

Aggressive fibromatosis is a rare condition marked by the presence of desmoid tumors.

A teratoma is a tumor with tissue or organ components resembling normal derivatives of more than one germ layer.

Angiokeratoma is a benign cutaneous lesion of capillaries, resulting in small marks of red to blue color and characterized by hyperkeratosis.

A schwannoma (also known as an "neurilemoma," "neuroma," "neurolemoma," and "Schwann cell tumor") is a benign nerve sheath tumor composed of Schwann cells, which normally produce the insulating myelin sheath covering peripheral nerves.

Neuroblastoma (NB) is the most common extracranial solid cancer in childhood and the most common cancer in infancy, with an incidence of about 650 cases per year in the U.

Angiomas are benign tumors derived from cells of the vascular or lymphatic vessel walls (endothelium) or derived from cells of the tissues surrounding these vessels.

A lipoma is a benign tumor composed of adipose tissue (body fat).

Spina bifida (Latin: "split spine") is a birth defect where there is incomplete closing of the backbone and membranes around the spinal cord.

An infantile hemangioma (IH) is one of the most common benign tumors of infancy and occurs in approximately 5–10% of infants.

Peyronie's disease or Peyronie disease (/peɪroʊˈniː/), also known as induratio penis plastica (IPP) or chronic inflammation of the tunica albuginea (CITA), is a connective tissue disorder involving the growth of fibrous plaques in the soft tissue of the penis affecting an estimated 5% of men.

Keloid , also keloidal scar,is the formation of a type of scar which, depending on its maturity, is composed mainly of either type III (early) or type I (late) collagen.

Buschke–Ollendorff syndrome, also known as Dermatofibrosis lenticularis disseminata, is a rare genetic disorder associated with LEMD3.

A hamartoma is a benign, focal malformation that resembles a neoplasm in the tissue of its origin.

Keratinizing metaplasia is a condition affecting the epithelial surfaces of the body.

Knuckle pads (also known as "Heloderma", meaning similar to the skin of the Gila monster lizard for which it is named) are circumscribed, keratotic, fibrous growths over the dorsa of the interphalangeal joints.

Pleomorphic lipomas, like spindle-cell lipomas, occur for the most part on the backs and necks of elderly men, and are characterized by floret giant cells with overlapping nuclei.

Telangiectasia macularis eruptiva perstans is persistent, pigmented, asymptomatic eruption of macules usually less than 0.

Verrucous lupus erythematosus (also known as "Hypertrophic lupus erythematosus") presents with non-pruritic papulonodular lesions on the arms and hands, resembling keratoacanthoma or hypertropic lichen planus.

Mast cell sarcoma is an extremely aggressive form of sarcoma made up of neoplastic mast cells.

Ainhum (from Portuguese, pronounced īn-yoom´, i´num or ān´hum; also known as dactylolysis spontanea) is a painful constriction of the base of the fifth toe frequently followed by bilateral spontaneous autoamputation a few years later.

Pigmented villonodular synovitis (PVNS) is a joint disease characterized by inflammation and overgrowth of the joint lining.

Lymphangiectasia is a pathologic dilation of lymph vessels.

Michelin tire baby syndrome (also known as "Folded skin with scarring"), is characterized by multiple, symmetric, circular skin creases, or bands, on the forearms, lower legs, and often the neck that are present at birth.

Microvenular hemangioma (also known as "Microcapillary hemangioma") is an acquired benign vascular neoplasm that presents as an asymptomatic, slowly growing, 0.

An acrochordon (plural acrochorda; also known as a skin tag or fibroepithelial polyp) is a small benign tumor that forms primarily in areas where the skin forms creases, such as the neck, armpit, and groin.

Acquired progressive lymphangioma (also known as "Benign lymphangioendothelioma") is a group of lymphangiomas that occur anywhere in young individuals, grow slowly, and present as bruise-like lesions or erythematous macules.

Atypical fibroxanthoma of the skin is a low-grade malignancy related to malignant fibrous histiocytoma, which it resembles histologically.

Fibroma of tendon sheath is a benign tumor that presents as a small subcutaneous nodule that slowly increases in size.

Epithelioid hemangioendothelioma (eHAE) is a rare tumor, first characterized by Sharon Weiss and Franz Enzinger that both clinically and histologically is intermediate between angiosarcoma and hemangioma.

Epithelioid sarcoma is a rare soft tissue sarcoma arising from mesenchymal tissue and characterized by epithelioid-like features.

Hemangiosarcoma is a rapidly growing, highly invasive variety of cancer, occurring almost exclusively in dogs and rarely in cats.

Glomangiosarcoma is a low grade tumor of the soft tissue.

A malignant peripheral nerve sheath tumor (MPNST) (also known as "malignant schwannoma," "neurofibrosarcoma," and "neurosarcoma") is a form of cancer of the connective tissue surrounding nerves.

Benign lipoblastomatosis (also known as an "Embryonic lipoma,") is a tumor frequently confused with a liposarcoma, affecting exclusively infants and young children, with approximately 90% occurring before 3 years of age.

Keloid disorder results in very hard to treat fibro-proliferative cutaneous connective tissue secondary to dysregulation in various skin repair and healing processes in individuals who are genetically predisposed to this disorder.

Carcinoid (also carcinoid tumor) is a slow-growing type of neuroendocrine tumor originating in the cells of the neuroendocrine system.

Cavernous hemangioma, also called cavernous angioma, cavernoma, or cerebral cavernous malformation (CCM) (when referring to presence in the brain) is a type of blood vessel malformation or hemangioma, where a collection of dilated blood vessels form a benign tumor.

Nodular fasciitis, also known as nodular pseudosarcomatous fasciits, pseudosarcomatous fasciitis, and subcutaneous pseudosarcomatous fibromatosis, is a benign soft tissue lesion most commonly found in the superficial fascia.

Plantar fascial fibromatosis, also known as Ledderhose's disease, Morbus Ledderhose, and plantar fibromatosis, is a relatively uncommon non-malignant thickening of the feet's deep connective tissue, or fascia.

Leiomyosarcoma (Gr. "smooth muscle connective tissue tumor"), also referred to as LMS, is a malignant (cancerous) smooth muscle tumor.

Myopericytoma, also glomangiopericytoma, is a rare perivascular soft tissue tumour.

Angiosarcoma is a cancer of the cells that line the walls of blood vessels or lymphatic vessels.

A keratocyst is a type of cutaneous cyst.

Angiolipoma is a subcutaneous nodule with vascular structure, having all other features of a typical lipoma.

Angioma serpiginosum is characterized by minute, copper-colored to bright red angiomatous puncta that have a tendency to become papular.

Oral submucous fibrosis (OSMF or OSF) is a chronic, complex, premalignant ( 1% transformation risk ) lesion of the oral cavity, characterized by juxta-epithelial inflammatory reaction and progressive fibrosis of the submucosal tissues (the lamina propria and deeper connective tissues).

Proliferating angioendotheliomatosis has historically been divided into two groups, (1) a reactive, involuting type and (2) a malignant, rapidly fatal type.

Dermatofibrosarcoma protuberans (DFSP) is a very rare tumor.

Benign fibrous histiocytomas (also known as dermal dendrocytoma, dermatofibroma, fibrous dermatofibroma, fibrous histiocytoma, fibroma simplex, nodular subepidermal fibrosis, and sclerosing hemangioma) are benign skin growths.

Pyogenic granuloma (also known as a "Eruptive hemangioma", "Granulation tissue-type hemangioma", "Granuloma gravidarum", "Lobular capillary hemangioma", "Pregnancy tumor", and "Tumor of pregnancy") is a vascular lesion that occurs on both mucosa and skin, and appears as an overgrowth of tissue due to irritation, physical trauma or hormonal factors.

A spider angioma (also known as a nevus araneus, spider nevus, vascular spider, and spider telangiectasia) is a type of telangiectasis (swollen blood vessels) found slightly beneath the skin surface, often containing a central red spot and reddish extensions which radiate outwards like a spider's web.

Angiomatosis is a non-neoplastic condition presenting with little knots of capillaries in various organs.

Wildervanck syndrome is a developmental disorder that may be characterized by accessory tragi.

Granular cell tumor is a tumor that can develop on any skin or mucosal surface, but occurs on the tongue 40% of the time.

Giant-cell tumor of the tendon sheath, also known as giant-cell synovioma and localized nodular tenosynovitis, is a firm lesion, measuring 1 to 3 cm in diameter, and is most commonly attached to the tendons of the fingers, hands, and wrists, with a predilection for the flexor surfaces.

A tufted angioma (also known as an "Acquired tufted angioma," "Angioblastoma," "Angioblastoma of Nakagawa," "Hypertrophic hemangioma," "Progressive capillary hemangioma," and "Tufted hemangioma") usually develops in infancy or early childhood on the neck and upper trunk, and is an ill-defined, dull red macule with a mottled appearance, varying from 2 to 5 cm in diameter.

Urticaria pigmentosa (also known as "Generalized eruption of cutaneous mastocytosis (childhood type)") is the most common form of cutaneous mastocytosis.

Ganglioneuroma is a rare and benign tumor of the autonomic nerve fibers arising from neural crest sympathogonia, which are completely undifferentiated cells of the sympathetic nervous system.

Pleomorphic undifferentiated sarcoma (abbreviated PUS), also undifferentiated pleomorphic sarcoma and previously malignant fibrous histiocytoma (abbreviated MFH), is a type of soft tissue sarcoma.

A hemangiopericytoma (HPC) is a type of soft tissue sarcoma that originates in the pericytes in the walls of capillaries.

Reed’s syndrome (or familial leiomyomatosis cutis et uteri) is a rare inherited condition characterised by multiple cutaneous leiomyomas and, in women, uterine leiomyomas.

A connective tissue nevus (also known as a "collagenoma", "elastoma", and "shagreen patch") may be present at birth or appear within the first few years, is elevated, soft to firm, varying from 0.

Lymphohemangioma, or lymphohaemangioma, (from Latin lympha, meaning "water", Greek αίμα (haema), meaning "blood", αγγείο (angeio), meaning "vessel", and –ωμα (–oma), meaning "tumor") is a disease characterized by swelling of the lymph nodes and blood vessels.

A leiomyoma, also known as fibroids, is a benign smooth muscle tumor that very rarely becomes cancer (0.1%).

A hibernoma is a benign neoplasm of vestigial brown fat.

Cherry angiomas, also known as Campbell De Morgan spots or senile angiomas, are cherry red papules on the skin containing an abnormal proliferation of blood vessels.

Chondroid lipomas are deep-seated, firm, yellow tumors that characteristically occur on the legs of women.

Infantile systemic hyalinosis or juvenile systemic hyalinosis is an allelic autosomal-recessive condition characterized by multiple skin nodules, hyaline deposition, gingival hypertrophy, osteolytic bone lesions, and joint contractures.

Intravascular papillary endothelial hyperplasia (also known as "Masson's hemangio-endotheliome vegetant intravasculaire," "Masson's lesion," "Masson's pseudoangiosarcoma," "Masson's tumor," and "Papillary endothelial hyperplasia") may mimic angiosarcoma, with lesions that are red or purplish 5-mm to 5-cm papules and deep nodules on the head, neck, or upper extremities.