| Inbound Relationships | 
Type | 
Active | 
Source | 
Characteristic | 
Refinability | 
Group | 
| Stucco keratosis | 
Is a | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Dermatosis papulosa nigra | 
Is a | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Generalized keratoacanthoma | 
Is a | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Inverted keratosis | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Hyperorthokeratosis | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Lichenification | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Seborrheic keratosis | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Cutaneous horn | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Leukoplakia | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Cholesteatoma | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Keratoacanthoma of uncertain behavior | 
Is a | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Benign squamous keratosis | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Keratosis obturans | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Dilated pore of Winer | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Follicular hyperkeratosis | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Actinic keratosis | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Leukokeratosis | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Leukoedema | 
Is a | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Subungual hyperkeratosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Keratoderma with pachyonychia congenita | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Palmoplantar keratoderma with leukoplakia | 
Associated morphology | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Palmoplantar hyperkeratosis sclerodactyly syndrome (disorder) | 
Associated morphology | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Keratoderma with mental retardation and spastic paraplegia | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Papuloverrucous palmoplantar keratoderma of Jakac-Wolf | 
Associated morphology | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Subungual corn | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Keratoderma punctata | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Acquired digital fibrokeratoma | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Keratosis pilaris decalvans | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Linear porokeratosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Giant porokeratosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Disseminated superficial porokeratosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Acrokeratosis paraneoplastica of Bazex | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Acrokerato-elastoidosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Howel-Evans' syndrome | 
Associated morphology | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Porokeratosis of Mantoux | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Keratosis pilaris with ichthyosis and deafness | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Palmoplantar keratoderma transgrediens | 
Associated morphology | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Acroerythrokeratoderma | 
Associated morphology | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Progressive palmoplantar keratoderma of Greither | 
Associated morphology | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Congenital palmoplantar and perioral keratoderma of Olmsted | 
Associated morphology | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Circumscribed palmoplantar keratoderma | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Malignant atrophic papulosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Angiokeratoma of skin | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 4 | 
| Inflammatory hyperkeratotic dermatosis, acute | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Inflammatory hyperkeratotic dermatosis, chronic | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Inflammatory hyperkeratotic dermatosis, isomorphous | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Inflammatory hyperkeratotic dermatosis, intertriginous | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Inflammatory hyperkeratotic dermatosis, annular | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Inflammatory hyperkeratotic dermatosis, plaque | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Inflammatory hyperkeratotic dermatosis, rupial | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Inflammatory hyperkeratotic dermatosis, guttate | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 3 | 
| Inflammatory hyperkeratotic dermatosis, generalized exfoliative | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 3 | 
| Palmar hyperkeratosis of yaws | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Porokeratosis of Mibelli, plaque type | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Hyperkeratosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Angiokeratoma circumscriptum | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 3 | 
| Vitamin A deficiency with follicular keratosis | 
Associated morphology | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Mutilating keratoderma | 
Associated morphology | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Atrophoderma vermiculatum | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Hyperkeratosis lenticularis perstans | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Vitamin A-responsive dermatosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Keratosis palmaris et plantaris | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 3 | 
| Porokeratosis of Mibelli, superficial disseminated type | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Hyperkeratosis follicularis in cutem penetrans | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Soft corn | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Papillon-Lefèvre syndrome | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Equine linear keratosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Disseminated superficial actinic porokeratosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Corn of toe | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Hard corn | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Hypertyrosinemia, Richner-Hanhart type (disorder) | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Senile angioma | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Ulerythema of cheeks | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 5 | 
| Keratosis pilaris | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Hyperkeratosis of yaws | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Ichthyosis linearis circumflexa | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Gonococcal keratosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Plantar hyperkeratosis of yaws | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Angiokeratoma of Mibelli | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 5 | 
| Angiokeratoma of Fordyce | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 4 | 
| Congenital keratoderma | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Erythrokeratodermia variabilis | 
Associated morphology | 
True | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| X-linked ichthyosis with steryl-sulfatase deficiency | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Hyperkeratosis of pinta | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Ulerythema of eyebrows | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 3 | 
| Porokeratosis of Mibelli | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Inflammatory hyperkeratotic dermatosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Diffuse palmoplantar keratoderma | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Arsenical keratosis of the palms AND/OR soles | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Ulerythema | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Chlorinated naphthalene poisoning | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
  | 
| Porokeratosis of Mibelli, linear unilateral type | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Smokeless tobacco keratosis | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Symmetrical keratoderma | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Keratoderma plantare sulcata | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Lymphedematous keratoderma | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Autosomal dominant mutilating keratoderma | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Hyperkeratosis NOS | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Acquired keratoderma NOS | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 1 | 
| Keratoderma areata | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 | 
| Keratoderma plantare sulcata | 
Associated morphology | 
False | 
Hyperkeratosis | 
Inferred relationship | 
Some | 
 2 |