Eyebrow anomaly

A dermoid cyst is a teratoma of a cystic nature that contains an array of developmentally mature, solid tissues. It frequently consists of skin, hair follicles, and sweat glands, while other commonly found components include clumps of long hair, pockets of sebum, blood, fat, bone, nail, teeth, eyes, cartilage, and thyroid tissue. [Source: Wikipedia ]

Subtypes
Absent eyebrows
Absent outer half of eyebrows
Arched eyebrows
Double eyebrows
Heavy eyebrows
Lateral extension of eyebrows
Medially flared eyebrows
Prematurely gray eyebrows
Sparse eyebrows
Synophrys
May Be Caused by
Aarskog syndrome
Ablepharon macrostomia syndrome
Alopecia areata
Alopecia totalis
Alopecia universalis
Brachmann-de Lange syndrome
Cardio-facio-cutaneous syndrome
Carnevale syndrome
Chromosome 10p deletion
Chromosome 10q1 disorder
Chromosome 12p1 disorder
Chromosome 3q1 disorder
Chromosome 9q deletion
Ectodermal dysplasia
Ehlers-Danlos syndrome progeroid type
Fetal trimethadione syndrome
Fucosidosis
Gorlin syndrome
Griscelli syndrome
Hajdu-Cheney syndrome
Hallermann-Streiff syndrome
Hurler syndrome
Hypertrichosis universalis congenita
ICE 1 syndrome
Ichthyosis follicularis - alopecia - photophobia
Johanson-Blizzard syndrome
Kabuki syndrome
KBG syndrome
KID syndrome
Klein-Waardenburg syndrome
Marinesco-Sjögren syndrome
Metaphyseal chondrodysplasia McKusick type
Monilethrix
Mucopolysaccharidosis type 6
Oliver-McFarlane syndrome
Otopalatodigital syndrome type 1
Partial eyebrow duplication-multiple malformation syndrome
Progeria
Rapp-Hodgkin syndrome
Restrictive dermatopathy
Romberg syndrome
Rothmund-Thomson syndrome
Sanfilippo syndrome
Setleis syndrome
Smith-Magenis syndrome
Teebi hypertelorism syndrome
Trichorhinophalangeal dysplasia type 1
Trisomy 18
Unusual facies-arthrogryposis-advanced skeletal maturation syndrome
Waardenburg syndrome
Wiedemann-Rautenstrauch syndrome
Williams syndrome