Palmcoien classification
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This document outlines the FIGO classification system for abnormal uterine bleeding (AUB) during reproductive years, known as PALM-COEIN. It categorizes AUB into several potential causes: polyps (AUB-P), adenomyosis (AUB-A), leiomyomas (AUB-L), malignancy/premalignancy (AUB-M), coagulopathy (AUB-C), ovulatory disorders (AUB-O), endometrial causes (AUB-E), iatrogenic causes (AUB-I), and non-classified causes (AUB-N). Each category is defined by imaging and/or histopathological findings, hormonal/medical
Palmcoien classification
- 1. The FIGO classification of causes of abnormal uterine bleeding in the reproductive years (the PALM-COEIN)
- 3. Polyps (AUB-P) Polyps are categorized as being either present or absent As defined by one or A combination of ultrasound (including saline infusion sonography)and hysteroscopic imaging with or without histopathology. Although there is no current distinction regarding the size or number of polyps, It is probably important to exclude polypoid-appearing endometrium from this category, for such an appearance may well be A variant of normal.
- 4. Adenomyosis (AUB-A) • It is proposed that sonographic criteria for adenomyosis comprise the minimum requirements for assigning the diagnosis .
- 6. Malignancy and Premalignant Conditions (AUB-M) This diagnosis must be considered in any woman in the reproductive years and especially where there maybe predisposing factors such as obesity or a history of chronic anovulation.
- 7. Coagulopathy (Systemic Disorders of Hemostasis) (AUB-C)
- 8. Ovulatory Disorders (AUB-O) Although most ovulatory disorders elude a defined etiology,many can be traced to endocrinopathies (e.g., polycystic ovarian syndrome, hypothyroidism, hyperprolactinemia, mental stress, obesity, anorexia, weight loss, or extreme exercise such as that associated with elite athletic training). In some instances, the disorder may be iatrogenic, caused by gonadal steroids or drugs that impact dopamine metabolism such as phenothiazines and tricyclic antidepressants.
- 9. Endometrial Causes (AUB-E) A primary disorder of mechanisms regulating local endometrial ‘‘hemostasis’’ itself, secondary to deficiencies in local production of vasoconstrictors such as endothelin-1 and prostaglandin f2a, and/or accelerated lysis of endometrial clot because of excessive production of plasminogen activator and increased local production of substances that promotevasodilation such as prostaglandin E2 and prostacyclin (I2)
- 10. Iatrogenic (AUB-I) the major component of the AUB-I classification Included in this category are the women using the levonorgestrel-releasing intrauterine system (LNG-IUS), who frequently experience BTB in the first 6 months of therapy When AUB is thought to be secondary to anticoagulants such as warfarin or heparin, or systemic agents that contribute to disorders of ovulation such as those that interfere with dopamine metabolism, it is categorized as AUB-C or AUB-O, respectively .
- 11. Not Classified (AUB-N) • There exist a number of entities that may or may not contribute to or cause AUB in a given woman for they have been either poorly defined, inadequately examined, and/or are extremely rare. Examples in this category might include arteriovenous malformations and myometrial hypertrophy.