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Table 4 Sample of manually analyzed disease terms classified as affecting particular anatomical systems (Continued)

From: Combining lexical and context features for automatic ontology extension

Disease terms

Ontology class

Ontology class assigned by ANN

Manual analysis result

Suggested additional classification

DOID

Explanation

Timothy syndrome

genetic disease

cardiovascular system disease

Cannot specify (affect multiple parts)

-

-

-

Familial periodic paralysis

disease of metabolism

cardiovascular system disease

musculoskeletal system disease

-

-

-

Hyperprolactinemia

disease of metabolism

endocrine system disease

endocrine system disease

pituitary gland disease

DOID:53

The pituitary gland is the endocrine gland responsible for secreting prolactin.

Angiokeratoma circumscriptum

disease of cellular proliferation

gastrointestinal system disease

cardiovascular system disease

-

-

-

Zollinger-Ellison syndrome

syndrome

gastrointestinal system disease

gastrointestinal system disease

peptic ulcer disease

DOID:750

It is a disease that affects either pancreas, duodenum, or both of them. Both organs are pats of the GIT system. The disease pathology is mainly excessive gastrin secretion with subsequent peptic ulcers.

Polycystic liver disease

genetic disease

gastrointestinal system disease

gastrointestinal system disease

liver disease

DOID:409

It is a genetic disorder that affects primarily the liver.

Bilirubin metabolic disorder

disease of metabolism

hematopoietic system disease

hematopoietic system disease

kernicterus due to isoimmunization

DOID:12043

Bilirubin disorder could be a result of blood pathology, same as for the mentioned classification DOID:12043.

Alpha thalassemia

genetic disease

hematopoietic system disease

hematopoietic system disease

hemoglobinopathy

DOID:2860

The disease is mainly a hemoglobin disorder with hematological phenotypes.

Kabuki syndrome

syndrome

immune system disease

Not anatomical - multisystems

-

-

-

Amyloidosis

disease of metabolism

immune system disease

Not anatomical - multisystems

-

-

-

Fatty liver disease

disease of metabolism

musculoskeletal system disease

gastrointestinal system disease

-

-

-

Renal-hepatic-pancreatic dysplasia

physical disorder

musculoskeletal system disease

Cannot specify (affect multiple parts)

-

-

-

Radioulnar synostosis

physical disorder

musculoskeletal system disease

musculoskeletal system disease

bone development disease/Synostosis

DOID:0080006/ DOID:11971

There is already an entity in the DO for synostosis under bone development disease.

Hypophosphatasia

genetic disease

musculoskeletal system disease

musculoskeletal system disease

bone remodeling disease

DOID:0080005

We could suggest an additional classification based on the main affected system. Our suggestive classification is musculoskeletal since

      

the disease is mainly affecting mineralization of the bone with phenotypes similar to those of Rickets DOID:10609.

Narcolepsy

disease of mental health

nervous system disease

nervous system disease

*

*

*

Aceruloplasminemia

disease of metabolism

nervous system disease

nervous system disease

neurodegeneration with brain iron accumulation

DOID:0110734

The disease main pathophysiology is either the absence or dysfunction of ceruloplasmin with subsequent iron accumulation in various organ, mainly the brain.

Glomangiomatosis

disease of cellular proliferation

nervous system disease

cardiovascular system disease

-

-

-

Deafness-dystonia-optic neuronopathy syndrome

disease of metabolism

nervous system disease

nervous system disease

nervous system disease; since it covers many subclasses to which we can map many aspects of this disease

DOID:863

The disease’s phenotypes reflect neurological affection of multiple parts in the nervous system.

Trophoblastic neoplasm

disease of cellular proliferation

reproductive system disease

reproductive system disease

Female reproductive organ cancer

DOID:120

The term refers to the group of malignant neoplasms that consist of abnormal proliferation of trophoblastic tissues similar to choriocarcinoma DOID:3596 and gestational trophoblastic neoplasia DOID:3590.

Cryptorchidism

physical disorder

reproductive system disease

reproductive system disease

testicular disease

DOID:2519

The term refers to undescended testicle.

  1. *Nacrolepsy: is classified as a sleep disorder which is correct, however, the class itself is a subclass to mental disorders. Since there are some neurological disorders that have shown a strong association with sleep disorder such as: neurodenegrative disorders such as tauopathy which involve Alzheimer’s diseases (DOID:10652) [51], synucleinopathy which involve Parkinsonism (DOID:14330) [52], and Genetic neurodegenerative disorders such as Machado-Joseph disease (DOID:1440) [53] or Huntington’s disease (DOID:12858) [54]. We suggest a new classification in which sleep disorders may also be a subclass of nervous system diseases (neurodegenerative disorder) [55] The terms in bold represent the correctly validated terms (by a clinician) that classified as anatomical diseases terms using our method (in Anatomical disease classification experiment).