Is Pica an eating disorder or an obsessive–compulsive spectrum disorder?

@article{Hergner2008IsPA,
  title={Is Pica an eating disorder or an obsessive–compulsive spectrum disorder?},
  author={Sabri̇ Herg{\"u}ner and İlker {\"O}zyıldırım and Cansaran Tanıdır},
  journal={Progress in Neuro-Psychopharmacology and Biological Psychiatry},
  year={2008},
  volume={32},
  pages={2010-2011}
}
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Diagnostic criteria, clinical features and treatment options for pica and rumination disorder are summarized, based on recent research.
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This case involves Mr. C, a 16-year-old male with a history of depression, anxiety, and ten previous intentional foreign body ingestions involving sharp objects such as needles, forks, and thumbtacks, who states that he recently ate a nail and denies any current obsessions.
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The results indicated that OCD in referred preschool children is more common in males, highly comorbid with other psychiatric disorders, and associated with high rates of family history of OCD.
A Unique Case of Pica of Adult Onset with Interesting Psychosexual Aspects
TLDR
A young lady with unusual sensation in her abdomen was found to consume iron nails over years and there was history of dyspareunia since her marriage three months back, which warrants the need to look into this entity more closely with regards to its occurrence and etiology.
Life threatening self starvation; a case report
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In analysis of a patient with severe anorexia, the psychological causes should not be forgotten and if the feeding pattern of the patient was observed at the beginning, unnecessary investigating and life threatening worsening of the condition could have been avoided.
[Pica: nosographical and psychopathological aspects].
The authors, after examining a clinical case of obsessive-compulsive disorder, associated to Pica syndrome, analyse psychopathological development of the symptomatology in its complex, refuting some
Pica as a manifestation of iron deficiency
TLDR
The aim was to describe the phenomenon in its various aspects, to touch briefly on the historical and cultural background, and to examine in more detail the studies that tried to analyze the relative roles of iron deficiency and pica.
Olgu sunumu A pica case associated with suicide-bereavement
TLDR
A patient with pica accompanied by serious psychiatric and medical comorbidities which occur after witnessing a suicide, during adolescence is described firstly in the literature.
A pica case associated with suicide-bereavement -
TLDR
A patient with pica accompanied by serious psychiatric and medical comorbidities which occur after witnessing a suicide during adolescence is described firstly in the literature.
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References

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It is concluded that stress may induce the pica in some adults and that such feelings have impulsive/compulsive characters and appropriate management of stress may help to alleviate the symptoms of pica.
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