Dev Anomalies Flashcards
Histo difference of Fordyce granules vs normal sebaceous gland.
- increase no. Of lobules and ducts >keratin plugging ducts
Not associated with hair follicle
Appearance of hecks disease, single and cluster?
Single:broad base> slight elevate, papillary
Cluster: small, closely knitted,cobblestone
Main histo of hecks disease
Types if cells seen
Acanthosis of spinous cell layer
Koilocytes, vacoulated, pyknotic nucleus
Leukoedema appearance
Histo, epi, conn, suoerficial
Early: fillmy opalescence Final: grey white wrinkled Epi: edematous spinous, Thick irregular rete ridges Superficial: parakeratotic
Part affected in facial hemiatrophy?
Change in eyes and nerves
Skin- soft tissue,sc tissue, bone nerve carti
Enophtahlmous,
Trigeminal neuralgia, contralateral Jacksonian epilepsy
Dd of facial hemiatrophy
Fgh
Fat atrophy
Goldenhar syndrome
Hemifacial microsomia
Coupe de sabre is seen in?
Also called
Facial hemiatrophy
Parry rhomberg
How is facial hemihypertrophy seen?
Bone? Tongue, mucosa? Teeeth
Only face,with limbs or whole half body Wide thick Macroglossia, lingual papillae Increase in mass, pendulous folds Increase size no. Affects dentition
Dd of FHH
Ass with
Neurofibromatosis
Fibrous dysplasia
Beckwith widemann
Mc cune albright
In macrognathia of maxillae> leontiasis ossea, in mandible prognathism
Feats of prognaths
Glenoid,anterior
Ramus: large
Angle:steep
Maxilla: decrease in size.
When is mouth breathing seen?
Cause of agnathia
Feat of agnathia, ear
In micrognathja of maxillae
No migration of NCC
Otocephaly
Vander woude syndrome is caused by deletion of?
Manifests?
Extra oral manifests of it?
1q32
Cleft palate> isolated cleft lip, missing teeth esp maxillary hypodontia
Leg: popliteal webs, limb abnormalities,
Brain: abnormal
Hirschprung disease
Accessory nipples.
Histo? Epi OF MRG,rete ridge?
Pseudoepitheliomatous hyperplasia
Keratin pearls in rete ridges
Common teeth of microdontia?
Max li, M3
Criteria for concrescence
Proximation of adjacent teeth
And depo of cementum due to chronic inflammation, periodontal disease