Public registry
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Browse canonical concepts by label, domain, node type, prefix and encoded class.
Current membership scope: Secondary membership only
| Concept | Node type | Base domain | Matched membership | Identifier |
|---|---|---|---|---|
| Necrobiotic Disorders A group of disorders characterized by swelling, basophilia, and distortion of collagen bundles in the dermis. | Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170007 |
| Necrolytic Migratory Erythema Recurrent cutaneous manifestation of GLUCAGONOMA characterized by necrolytic polycyclic migratory lesions with scaling borders. It is associated with… | Pathologic Condition | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170096 |
| Nephrogenic Fibrosing Dermopathy A chronic, acquired, idiopathic, progressive eruption of the skin that occurs in the context of RENAL FAILURE. It is sometimes accompanied by systemi… | Pathologic Condition | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170097 |
| Neurodermatitis An extremely variable eczematous skin disease that is presumed to be a response to prolonged vigorous scratching, rubbing, or pinching to relieve int… | Inflammatory Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170062 |
| Nicolau Syndrome An uncommon complication of INTRAMUSCULAR INJECTION leading to variable degrees of necrosis of skin and underlying tissue. | Syndrome | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170057 |
| Ochronosis The yellowish discoloration of connective tissue due to deposition of HOMOGENTISIC ACID (a brown-black pigment). This is due to defects in the metabo… | Pathologic Condition | Pathology | Integumentary System [curated_secondary] | AMW:DIS:230193 |
| Onycholysis Separation of nail plate from the underlying nail bed. It can be a sign of skin disease, infection (such as ONYCHOMYCOSIS) or tissue injury. | Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170095 |
| Pachyonychia Congenita A group of inherited ectodermal dysplasias whose most prominent clinical feature is hypertrophic nail dystrophy resulting in PACHYONYCHIA. Several sp… | Congenital Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:160014 |
| Panniculitis General term for inflammation of adipose tissue, usually of the skin, characterized by reddened subcutaneous nodules. | Inflammatory Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170021 |
| Panniculitis, Nodular Nonsuppurative A form of panniculitis characterized by recurrent episodes of fever accompanied by the eruption of single or multiple erythematous subcutaneous nodul… | Inflammatory Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170022 |
| Papillon-Lefevre Disease Rare, autosomal recessive disorder occurring between the first and fifth years of life. It is characterized by palmoplantar keratoderma with periodon… | Congenital Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:160151 |
| Parakeratosis Persistence of the nuclei of the keratinocytes into the stratum corneum of the skin. This is a normal state only in the epithelium of true mucous mem… | Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170087 |
| Parapsoriasis The term applied to a group of relatively uncommon inflammatory, maculopapular, scaly eruptions of unknown etiology and resistant to conventional tre… | Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170128 |
| Pemphigoid, Bullous A chronic and relatively benign subepidermal blistering disease usually of the elderly and without histopathologic acantholysis. | Immune Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170143 |
| Pemphigus Group of chronic blistering diseases characterized histologically by ACANTHOLYSIS and blister formation within the EPIDERMIS. | Immune Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170144 |
| Photosensitivity Disorders Abnormal responses to sunlight or artificial light due to extreme reactivity of light-absorbing molecules in tissues. It refers almost exclusively to… | Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170098 |
| Piebaldism Autosomal dominant, congenital disorder characterized by localized hypomelanosis of the skin and hair. The most familiar feature is a white forelock … | Congenital Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:160057 |
| Pigmentation Disorders Diseases affecting PIGMENTATION, including SKIN PIGMENTATION. | Pathologic Condition | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170102 |
| Pityriasis A name originally applied to a group of skin diseases characterized by the formation of fine, branny scales, but now used only with a modifier. (Dorl… | Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170129 |
| Pityriasis Lichenoides A subgroup of PARAPSORIASIS itself divided into acute and chronic forms. The acute form is characterized by the abrupt onset of a generalized, reddis… | Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170127 |
| Pityriasis Rosea A mild exanthematous inflammation of unknown etiology. It is characterized by the presence of salmon-colored maculopapular lesions. The most striking… | Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170130 |
| Pityriasis Rubra Pilaris A chronic skin disease characterized by small follicular papules, disseminated reddish-brown scaly patches, and often, palmoplantar hyperkeratosis. T… | Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170131 |
| Porokeratosis A heritable disorder of faulty keratinization characterized by the proliferation of abnormal clones of KERATINOCYTES and lesions showing varying atro… | Congenital Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:160154 |
| Porphyria, Erythropoietic An autosomal recessive porphyria that is due to a deficiency of UROPORPHYRINOGEN III SYNTHASE in the BONE MARROW; also known as congenital erythropoi… | Congenital Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:160155 |
| Port-Wine Stain A vascular malformation of developmental origin characterized pathologically by ectasia of superficial dermal capillaries, and clinically by persiste… | Congenital Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:160050 |
| Pressure Ulcer An ulceration caused by prolonged pressure on the SKIN and TISSUES when one stays in one position for a long period of time, such as lying in bed. Th… | Pathologic Condition | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170147 |
| Prolidase Deficiency Rare autosomal recessive disorder of metabolism due to mutations in the prolidase gene. It is characterized by recurrent lower extremity skin ulcers,… | Congenital Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:160018 |
| Prurigo A name applied to several itchy skin eruptions of unknown cause. The characteristic course is the formation of a dome-shaped papule with a small tran… | Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170111 |
| Pruritus Primarily a patient-reported sensation, complaint or symptom rather than a disease entity. | Symptom | Clinical Medicine | Integumentary System [curated_secondary] | AMW:SYM:185063 |
| Psoriasis A common genetically determined, chronic, inflammatory skin disease characterized by rounded erythematous, dry, scaling patches. The lesions have a p… | Disorder | Pathology | Integumentary System [curated_secondary] | AMW:DIS:170132 |