Phyllodes tumor
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Phyllodes tumor
Reproductive system and breast
Disorders of puberty, sex chromosomes, and sex hormones
Female and transgender reproductive system and breast
Breast cancer
Fibrocystic breast changes
Intraductal papilloma
Mastitis
Paget disease of the breast
Phyllodes tumor
Turner syndrome
Endometritis
Pelvic inflammatory disease
Urethritis
Amenorrhea
Endometriosis
Polycystic ovary syndrome
Premature ovarian failure
Cervical cancer
Choriocarcinoma
Endometrial cancer
Endometrial hyperplasia
Germ cell ovarian tumor
Gestational trophoblastic disease
Krukenberg tumor
Ovarian cyst
Ovarian torsion
Sex cord-gonadal stromal tumor
Surface epithelial-stromal tumor
Uterine fibroid
Female sexual interest and arousal disorder
Genito-pelvic pain and penetration disorder
Orgasmic dysfunction
Male and transgender reproductive system
Pregnancy, childbirth, and the puerperium
Cervical incompetence
Chorioamnionitis
Ectopic pregnancy
Gestational diabetes
Gestational hypertension
Hyperemesis gravidarum
Intrauterine growth restriction
Miscarriage
Oligohydramnios
Placenta accreta
Placenta previa
Placental abruption
Polyhydramnios
Potter sequence
Preeclampsia & eclampsia
Preterm labor
Postpartum hemorrhage
Congenital cytomegalovirus (NORD)
Congenital rubella syndrome
Congenital syphilis
Congenital toxoplasmosis
Neonatal conjunctivitis
Neonatal herpes simplex
Neonatal meningitis
Neonatal sepsis
Fetal alcohol syndrome
Fetal hydantoin syndrome
Reproductive system and breast pathology review
Benign breast conditions: Pathology review
Breast cancer: Pathology review
Amenorrhea: Pathology review
Cervical cancer: Pathology review
Ovarian cysts and tumors: Pathology review
Sexually transmitted infections: Vaginitis and cervicitis: Pathology review
Uterine disorders: Pathology review
Vaginal and vulvar disorders: Pathology review
Disorders of sex chromosomes: Pathology review
Disorders of sexual development and sex hormones: Pathology review
Sexually transmitted infections: Warts and ulcers: Pathology review
Penile conditions: Pathology review
Prostate disorders and cancer: Pathology review
Testicular and scrotal conditions: Pathology review
Testicular tumors: Pathology review
Complications during pregnancy: Pathology review
Congenital TORCH infections: Pathology review
Assessments
Flashcards
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USMLE® Step 1 questions
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High Yield Notes
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Flashcards
Phyllodes tumor
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Questions
USMLE® Step 1 style questions USMLE
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A 55-year-old woman comes to the clinic due to a left breast mass. She first noticed it a few months ago, and since then, it has progressively grown in size. Medical history is significant for diabetes mellitus type 2, for which she takes metformin. She does not smoke, drink alcohol or use illicit drugs. Vitals are within normal limits. On physical examination, a smooth, well-defined, firm and mobile mass is noted in the left breast. There is no associated pain, and the rest of the physical examination is within normal limits. Biopsy is performed, and the results are shown below:
Reproduced from: Wikimedia Commons
This patient’s lesion most likely arises from which of the following areas?
Reproduced from: Wikimedia Commons
This patient’s lesion most likely arises from which of the following areas?
External References
First Aid
2024
2023
2022
2021
Phyllodes tumors p. 667
Summary
A phyllodes tumor is a fibroadenoma-like tumor characterized by an overgrowth of the fibrous component of the breast. These tumors are typically large, fast-growing masses that form from the periductal stromal cells of the breast. A phyllodes tumor appears as a lump in the breast and may be associated with breast pain and nipple discharge. These tumors account for less than 1% of all breast neoplasms and are commonly seen in postmenopausal women. They can be malignant in some cases.