**Question:** All changes occur in fibroid uterus except:

A. Endometrial hyperplasia
B. Ovarian cysts
C. Ovarian tumors
D. Adnexal torsion

**Core Concept:** Fibroids (Uterine Leiomyomas) are benign tumors composed of smooth muscle cells and connective tissue found within the uterus. They are common in women of reproductive age and can cause various symptoms depending on their size, location, and number.

**Why the Correct Answer is Right:**

Correct Answer: B. Ovarian cysts

Fibroids are found within the uterus (myometrium) and do not involve the ovaries. Ovarian cysts, on the other hand, are fluid-filled sacs that develop on or within the ovaries. While both fibroids and ovarian cysts can occur in women, they represent distinct pathologies with different etiology and clinical presentation.

**Why Each Wrong Option is Incorrect:**

A. Endometrial hyperplasia: Though related to the uterine lining (endometrium), hyperplasia refers to excessive cell proliferation rather than a tumor formation. It is a precursor to endometrial cancer rather than a separate entity affecting the uterus.

C. Ovarian tumors: The correct answer (ovarian cysts) already addresses this, but it is worth mentioning that the question specifically mentions "ovarian cysts" as the correct option. Ovarian tumors encompass a broader range of conditions, including benign and malignant neoplasms, which are distinct from fibroids and ovarian cysts.

D. Adnexal torsion: This refers to twisting of the ovary or fallopian tube on their pedicle, causing ischemia and potential infarction. While this can be a clinical emergency, it is a separate entity and does not pertain to fibroids or ovarian cysts.

**Clinical Pearl:**

Fibroids and ovarian cysts are important to distinguish between due to their distinct clinical presentations and management strategies. While both can cause abdominal pain and bleeding, fibroids are usually benign and cause symptoms related to uterine size and position, while ovarian cysts can lead to acute abdomen due to torsion, rupture, or infection. In some cases, both fibroids and cysts can coexist, requiring a thorough clinical assessment to differentiate between them.

In conclusion, understanding the anatomic location and clinical presentation of these entities is essential for accurate diagnosis and appropriate management strategies.