
Do I Really Need Excision Surgery? Endometriosis & Adenomyosis Insights
Explore whether surgery is necessary for your endometriosis or adenomyosis. Understand the latest research and options for managing your condition.
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Schedule an AppointmentUnderstand conditions that mimic or coexist with endometriosis—pelvic floor dysfunction, interstitial cystitis, IBS/IBD, PCOS, autoimmune issues, and fibroids. Spot overlaps vs. red flags and know which specialist to see.
Pelvic pain, urinary urgency, bowel changes, heavy bleeding, and fatigue often have more than one driver. Endometriosis commonly coexists with pelvic floor dysfunction, interstitial cystitis/bladder pain syndrome, IBS or IBD, PCOS, autoimmune disorders, fibroids, and adenomyosis. Understanding where symptoms overlap—and where they diverge—helps avoid missed diagnoses and supports a coordinated, stepwise plan rather than repeated trials that don’t fit the root cause.
Learn hallmark clues for each condition, red flags that warrant urgent or specialty care, and which clinician to see first. Explore when imaging or labs add value and when conservative trials make sense. For muscle‑driven pain and sexual discomfort, see Pelvic Floor Dysfunction and partner care in Pelvic Floor PT. For urinary frequency, urgency, and burning without infection, compare Interstitial Cystitis with Bladder Endometriosis. Cyclical bloating and bowel pain can reflect IBS / IBD or Bowel Endometriosis. Heavy bleeding and bulk symptoms point toward Fibroids or Adenomyosis. For nuanced triage across look‑alikes, visit Differential Diagnosis.
Endosalpingiosis is generally considered uncommon, but “how rare” it is depends heavily on who’s being studied and how it’s found. Many cases are discovered incidentally on pathology—meaning tissue is identified under the microscope after surgery done for other reasons—so it’s likely underrecognized in the general population. In other settings (like surgical cohorts), it may appear more often simply because more tissue is being sampled and examined carefully.
What matters most for patients is that endosalpingiosis can be confused with endometriosis on imaging or even at surgery, yet it doesn’t always behave the same way clinically. If you’ve been told you have endosalpingiosis and you also have pelvic pain, bowel/bladder symptoms, or fertility concerns, our team can help interpret what that finding means in the context of your symptoms and operative/pathology reports. You’re welcome to explore our educational content on related endometriosis and uterine conditions, and reach out to schedule a consultation if you want a personalized plan.
Yes—endometriosis can be associated with arthritis-like joint pain in some people, even though joint pain isn’t considered a classic “core” symptom. Endometriosis can drive chronic inflammation and immune dysregulation, and that whole-body inflammatory state may show up as aching, stiffness, or flares that feel similar to inflammatory arthritis. Some patients also notice joint symptoms that cycle with their period or worsen during broader endometriosis flares.
At the same time, endometriosis doesn’t “equal” autoimmune arthritis, and an association doesn’t prove that one causes the other. Research suggests higher rates of certain autoimmune conditions in people with endometriosis—including inflammatory diseases that can affect joints—so persistent joint pain deserves a full-picture evaluation rather than being automatically attributed to pelvic disease alone. If you’re dealing with pelvic pain plus joint symptoms, our team can help you sort out what fits endometriosis, what may be a related immune condition, and how that affects your treatment plan, including whether excision surgery and coordinated integrative support make sense for you.
“Estrogen dominance” in endometriosis usually isn’t just about making too much estrogen overall—it’s more often about an estrogen-favoring environment in the pelvis and within the lesions themselves. Many endometriosis lesions can produce estrogen locally (for example, through higher aromatase activity), and that local estrogen can help lesions survive, inflame surrounding tissue, and stimulate nerve growth that drives pain. At the same time, endometriosis commonly behaves as a chronic inflammatory condition, and inflammation can reinforce estrogen signaling and keep the cycle going.
Another key piece is that endometriosis often shows a weaker response to progesterone (“progesterone resistance”), so the normal hormonal braking system that should counterbalance estrogen doesn’t work as well. This can make symptoms feel very hormone-driven even when blood hormone labs look “normal.” Because endometriosis is multifactorial and likely includes different subtypes, the specific drivers of estrogen dominance can vary from person to person—genetics/epigenetics, immune dysfunction, and tissue-level changes can all play a role. If you’re trying to make sense of your symptoms or why hormonal suppression hasn’t brought lasting relief, our team can help you sort out what may be driving your disease and discuss options that focus on treating the endometriosis itself, not just temporarily quieting it.
A retroverted uterus (a uterus that tilts backward) is a common anatomic variation, and by itself it often doesn’t cause symptoms. Some people do notice more cramping, pelvic pressure, or deep pain with sex—especially in certain positions—but when significant pain is present, we look beyond uterine “tilt” alone.
In our experience, a retroverted uterus is frequently a clue to check for other pain drivers that can coexist, such as endometriosis (which can tether the uterus backward), adenomyosis (which can cause strong, painful uterine contractions), pelvic floor muscle overactivity, or bladder/bowel contributors. If your cramps are severe, worsening over time, occurring outside your period, or paired with deep dyspareunia, bowel/bladder symptoms, heavy bleeding, or infertility, it’s worth a full evaluation rather than stopping at “your uterus is retroverted.” If you’d like, our team can help sort out what’s actually generating your symptoms and outline options—from targeted imaging and diagnostics to definitive surgical treatment when appropriate.
Yes—endometriosis (and adenomyosis) can be associated with dysautonomia-like symptoms for some patients, especially in the setting of long-term pelvic pain. When the nervous system is repeatedly exposed to pain, inflammation, poor sleep, and stress physiology, it can start to behave as if it’s stuck in “alarm mode,” with less flexible switching between fight-or-flight and rest-and-digest.
The link isn’t always a simple one-to-one cause, and the research is still evolving, but there’s strong biologic plausibility. Endometriosis can involve inflammation and nerve changes around lesions, and over time those ongoing signals can contribute to broader nervous-system sensitivity (often described as central sensitization). That whole-body sensitized state can overlap with symptoms many people label as dysautonomia—things like palpitations, dizziness, temperature intolerance, fatigue, and feeling “wired but tired,” even when imaging doesn’t look dramatic.
In our practice, we take these symptoms seriously and look at the full picture: pelvic disease drivers, pain processing, and the pattern of autonomic-type symptoms together. If this resonates with you, exploring our resources on nervous system involvement in endometriosis can help you make sense of what you’re feeling—and you can reach out to schedule a consultation so our team can map out a plan tailored to your symptoms and goals.
Yes—there appears to be an evolving connection, but it’s not as simple as “endometriosis equals MCAS.” What current research supports most strongly is that mast cells (the immune cells involved in allergic-type reactions) are often increased and more activated in and around endometriosis lesions, where they tend to cluster near nerves and blood vessels. When mast cells release mediators like histamine and other inflammatory signals, they can irritate pain-sensing nerves, promote nerve growth, and help sustain inflammation—one plausible reason endometriosis pain can feel burning, stabbing, widespread, or unusually persistent.
MCAS, though, is a systemic syndrome—meaning it can cause multi-system flares (for example flushing/itching, GI upset, shortness of breath, dizziness or fast heart rate) and may be triggered by stress, hormones, foods, or environmental exposures. Some people with endometriosis also have MCAS-like symptoms, and in those cases mast-cell biology may be amplifying pelvic pain and lowering the threshold for flares across the body. If this overlap sounds familiar, our team can help you sort out what’s likely being driven by endometriosis lesions themselves (including whether excision surgery may be part of your plan) versus broader mast-cell–type sensitivity that may need coordinated perioperative and long-term management.
Yes—endometriosis and interstitial cystitis/bladder pain syndrome (IC/BPS) can occur together, and that overlap is one reason bladder symptoms can be so frustrating and persistent. Endometriosis can cause urinary urgency, frequency, burning, or bladder-adjacent pelvic pressure, but those same symptoms can also come from IC/BPS. Having one diagnosis doesn’t “rule out” the other, and when both are present, treating only endometriosis may not fully relieve bladder-driven pain.
A key part is sorting out what’s actually driving your symptoms: bladder endometriosis (lesions involving the bladder wall) is different from IC/BPS, even though they can feel similar. Bladder endometriosis often has a cyclical pattern around periods (though not always), while IC/BPS is typically pain/pressure that feels related to bladder filling and may improve after urinating, with symptoms persisting over time despite negative urine cultures. Our team looks at the whole picture—gynecologic, urinary, pelvic floor, and nervous system pain pathways—so we can build a plan that matches your specific symptom pattern rather than forcing everything into a single label.
If you’re dealing with ongoing urinary urgency/frequency, burning, or bladder pain—especially if prior endometriosis treatments haven’t helped as expected—reach out to schedule a consultation. We can help you determine whether this looks more like urinary tract endometriosis, IC/BPS, or a combination, and what next-step evaluation and treatment options make the most sense for you.
Yes—there does appear to be meaningful overlap between endometriosis and joint hypermobility syndromes like hEDS/EDS, but the research is still evolving and it’s not accurate to say one definitively “causes” the other. What we see clinically is that patients with hypermobility often have more complex pelvic pain presentations, sometimes with heightened nerve sensitivity, pelvic floor muscle overactivity, and multi-system symptoms that can make endometriosis harder to recognize and harder to calm down.
One reason this overlap is getting attention is the way connective tissue differences and immune inflammation can intersect with pain processing. Hypermobility is also frequently discussed alongside related patterns like dysautonomia/POTS and mast-cell–type inflammation, which may help explain flares that seem disproportionate, widespread, or triggered by stress, hormones, foods, or environmental exposures.
If you’re hypermobile (or suspect you are) and also dealing with symptoms that fit endometriosis, we take that “whole picture” seriously. Our team can help you sort out what’s coming from endometriosis versus overlapping drivers, and build a plan that may include precise diagnosis, minimally invasive excision when appropriate, and coordinated integrative support so your recovery and long-term symptom control are set up for success.

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Dr. Steven Vasilev delivers best-in-class endometriosis guidance and a personalized treatment plan—built on evidence and your unique biology.
Led by Steven Vasilev, MD—an internationally recognized endometriosis specialist & MIGS surgeon—Lotus Endometriosis Institute is virtual-forward, with many patients traveling nationally for care. Clinical evaluation and surgical treatment are provided in California.
2121 Santa Monica Blvd, Santa Monica, CA 90404
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154 Traffic Way, Arroyo Grande, CA 93420