Diagnosis: Endometriosis

• Secondary dysmenorrhea - starting 2 days before menstruation and persisting through the first 3 days of the cycle
• Deep dyspareunia - pain during intercourse
• Chronic pelvic pain
• Primary infertility (the presenting complaint in 30-40% of women with endometriosis)

Definition

• Berek & Novak's Gynecology, p. 617
• Robbins & Kumar Pathologic Basis of Disease, p. 2754

Clinical Features in Detail

1. Pain Symptoms

• The hallmark feature. Secondary dysmenorrhea in endometriosis classically starts before the onset of menstrual bleeding and continues throughout the period - exactly as in this patient (2 days pre-menstrual onset, lasting 3 days into the cycle).
• It may begin after years of pain-free menses (distinguishing it from primary dysmenorrhea), though in adolescents it may be present from menarche.
• The pain is typically bilateral and may radiate to the lower back, thighs, and rectum.
• Berek & Novak's Gynecology, p. 628

• A highly characteristic symptom, described as deep dyspareunia - pain felt deep in the pelvis rather than at the introitus.
• It is caused by endometriotic deposits in the uterosacral ligaments, posterior cul-de-sac, or rectovaginal septum.
• There is a strong association between posterior cul-de-sac lesions and dyspareunia.
• Berek & Novak's Gynecology, p. 628-629

• Constant or intermittent pelvic pain unrelated to the menstrual cycle.
• Results from intrapelvic bleeding, periuterine adhesions, and the release of inflammatory mediators (prostaglandins, cytokines).
• All endometriosis lesion types - including minimal to mild disease - are associated with pelvic pain.
• Robbins & Kumar, p. 2765

• Pain on opening the bowels, particularly during menstruation, due to endometriotic deposits on the bowel serosa, rectovaginal septum, or uterosacral ligaments.
• Deep lesions are consistently associated with gastrointestinal symptoms and painful defecation.
• Bailey and Love's Surgery, p. 1602

• Lower back pain
• Dysuria and hematuria if bladder involvement
• Cyclic shoulder tip pain if diaphragmatic involvement
• Cyclic hemoptysis or pneumothorax if pulmonary (rare)

2. Menstrual Abnormalities

• Menstrual irregularities are common.
• Premenstrual spotting may occur.
• Heavy menstrual bleeding (menorrhagia) in some cases.
• Associated with luteinized unruptured follicle syndrome, anovulation, and hyperprolactinemia.
• Berek & Novak's Gynecology, p. 629

3. Infertility

• Distorted pelvic anatomy with adhesions - interference with tubal pick-up of the oocyte
• Altered peritoneal environment - increased macrophages, cytokines, prostaglandins in peritoneal fluid that are toxic to sperm and embryos
• Endocrine/ovulatory abnormalities - impaired folliculogenesis, abnormal LH surge, luteal phase defects
• Immunological factors - increased autoantibodies to endometrial antigens
• Endometriomas compressing normal ovarian cortex and reducing ovarian reserve
• Fallopian tube involvement impeding ovum transport

• Berek & Novak's Gynecology, pp. 625-626
• Goodman & Gilman's Pharmacological Basis of Therapeutics, p. 299

4. Gastrointestinal and Urinary Symptoms

• Nausea, vomiting, bloating, early satiety, altered bowel habits (cyclic)
• Cyclic rectal bleeding, constipation, or obstruction if bowel involvement
• Dysuria, urinary frequency, or hematuria if bladder/ureteral involvement
• Berek & Novak's Gynecology, p. 628

5. Physical Examination Findings

• Berek & Novak's Gynecology, pp. 630-631

Key point: The severity of pain does NOT correlate well with the extent/stage of disease. Women with minimal lesions may have severe pain, while some with extensive endometriomas may be nearly asymptomatic.

6. Extra-pelvic Manifestations

• Intestinal tract (colon) - most common extra-pelvic site: abdominal/back pain, cyclic rectal bleeding, obstruction
• Urinary tract (ureter/bladder): dysuria, hematuria, ureteral obstruction
• Diaphragm: cyclic shoulder tip pain
• Lung/pleura: hemoptysis, pneumothorax, hemothorax during menses (catamenial pneumothorax)
• Umbilicus: palpable mass with cyclic pain
• Scars (e.g., episiotomy, Caesarean section scars): palpable nodule with cyclic pain
• Berek & Novak's Gynecology, p. 629

7. Macroscopic Pathology / Laparoscopic Appearance

• Classic "powder burn" or "gunshot" lesions: black, dark brown, or bluish puckered nodules containing old hemorrhage
• Red implants: petechial, vesicular, polypoid, "red flame-like" - active early lesions
• White/clear lesions: serous/clear vesicles, white plaques, fibrotic scarring
• Endometriomas ("chocolate cysts"): ovarian cysts 3-5 cm filled with thick dark brown fluid (old blood), densely adherent to peritoneum
• Deep infiltrating endometriosis (DIE): tissue >5 mm beneath the peritoneum, in uterosacral ligaments, vagina, bowel, bladder, or ureters

• Bailey and Love's Surgery, pp. 1602-1603
• Robbins & Kumar, p. 2754

8. Histology

• Endometrial glands AND stroma outside the uterus
• With or without hemosiderin (evidence of prior bleeding)
• In long-standing cases, secondary fibrosis may obscure the tissue
• Atypical endometriosis (cytologic atypia) is a precursor to endometrioid and clear cell ovarian carcinoma
• Robbins & Kumar, p. 2756-2758

Staging (ASRM Classification)

Epidemiological Risk Factors in this Patient

• Reproductive age (peak incidence 25-35 years)
• Nulliparity - "career women" or delayed childbearing
• Family history - 7x increased risk if first-degree relative affected
• The average delay between symptom onset and diagnosis is 8-12 years due to symptom overlap with other conditions

Diagnosis Confirmation

• Gold standard: Laparoscopy with histological confirmation - the definitive diagnostic procedure
• Transvaginal ultrasound (TVUS): reliably detects endometriomas and severe pelvic disease; cannot detect peritoneal implants
• MRI: detects hemosiderin deposits suggesting deep endometriosis
• Serum CA-125: elevated in moderate-severe disease (13-95 U/mL) but of limited diagnostic value compared to laparoscopy
• Empiric treatment with hormonal therapy may be justified without laparoscopy in women with classic symptoms
• Berek & Novak's Gynecology, pp. 633-634
• Bailey and Love's Surgery, pp. 1603-1604

Differential Diagnosis of Endometriosis

I. GYNECOLOGIC DIFFERENTIALS

1. Adenomyosis (Closest Mimic)

• Robbins & Kumar Basic Pathology, p. 550

2. Primary Dysmenorrhea

• Cyclic pain beginning at or just after onset of menstruation (not days before, unlike endometriosis)
• Normal pelvic examination and ultrasound - no underlying pelvic pathology
• Responds well to NSAIDs and combined oral contraceptives
• No dyspareunia, no infertility, no adnexal masses
• Predominantly affects adolescents and young women soon after menarche
• Berek & Novak's Gynecology, p. 571

3. Pelvic Inflammatory Disease (PID) / Chronic Salpingo-oophoritis

• Caused by ascending infection (Neisseria gonorrhoeae, Chlamydia trachomatis)
• Presents with pelvic pain, dyspareunia, abnormal vaginal discharge, fever
• Cervical motion tenderness (chandelier sign) - highly characteristic
• Elevated WBC, ESR, CRP; positive NAAT for gonorrhoea/chlamydia
• Can cause infertility through tubal occlusion and adhesions
• Unlike endometriosis, symptoms are not cyclical; acute episodes with systemic features
• Chronic PID may create pelvic adhesions mimicking endometriosis closely

4. Uterine Leiomyomata (Fibroids)

• Benign smooth muscle tumors causing heavy menstrual bleeding and pressure symptoms
• Subserosal and intramural fibroids may cause chronic pelvic pain and dysmenorrhea
• Submucosal fibroids cause menorrhagia and may contribute to infertility
• Uterus is enlarged and irregularly nodular on bimanual examination
• No true dyspareunia or cyclical pre-menstrual onset of pain
• Diagnosed on TVUS (hyperechoic masses, uterine enlargement)
• No uterosacral nodularity or cul-de-sac obliteration

5. Ovarian Cysts / Ovarian Neoplasms

• Functional cysts (follicular, corpus luteum) cause unilateral pelvic pain
• May present with adnexal mass on examination and ultrasound
• Torsion gives acute severe unilateral pain - not chronic or cyclic
• Dermoid cysts (mature teratomas) may cause chronic pain
• Ovarian malignancy may mimic endometriomas on imaging
• Distinguished from endometriomas by: TVUS (ground-glass, homogeneous appearance of endometrioma vs. complex features of other cysts); CA-125; MRI; laparoscopy

6. Pelvic Adhesions

• Can result from previous pelvic surgery, PID, or endometriosis itself
• Cause chronic pelvic pain through tethering and restricted organ mobility
• No cyclical pattern of worsening
• No dyspareunia unless posterior cul-de-sac involved
• Diagnosed only at laparoscopy
• Berek & Novak's Gynecology (Table 12-3): listed separately as a distinct cause of non-cyclic chronic pelvic pain

7. Pelvic Congestion Syndrome

• Caused by reflux in ovarian and internal iliac veins leading to pelvic varicosities
• Chronic dull, aching pelvic pain - worsens with prolonged standing, end of day, after intercourse (postcoital ache lasting hours)
• Pain is less cyclical than endometriosis
• Deep dyspareunia may occur
• Diagnosed by Doppler ultrasound or pelvic venography showing dilated ovarian veins (>6 mm)
• Uterus mobile, no nodularity on examination
• Mulholland & Greenfield's Surgery, p. 1116

8. Asherman Syndrome (Intrauterine Synechiae)

• Intrauterine adhesions from prior curettage, myomectomy, or infection
• Causes hypomenorrhoea or amenorrhoea with cyclic crampy pain (hematometra if obstructed)
• Infertility and recurrent pregnancy loss
• Diagnosed by hysteroscopy or saline infusion sonohysterography
• No extra-uterine pathology; normal pelvic exam
• Berek & Novak's Gynecology, Table 12-3

9. Congenital Outflow Tract Obstruction

• Obstructed rudimentary uterine horn, imperforate hymen, transverse vaginal septum
• Presents at menarche with cyclical pain, primary amenorrhoea, and hematocolpos/hematometra
• Can itself cause secondary endometriosis from retrograde menstruation
• Distinguished by developmental history and imaging

10. Ovarian Remnant / Retained Ovary Syndrome

• After bilateral oophorectomy, residual ovarian tissue trapped in adhesions
• Cyclical pelvic pain, pelvic mass
• Diagnosed by FSH/LH levels, TVUS, or laparoscopy

II. GASTROINTESTINAL DIFFERENTIALS

11. Irritable Bowel Syndrome (IBS)

• One of the four most common causes of chronic pelvic pain (along with endometriosis, pelvic adhesions, and interstitial cystitis)
• Crampy abdominal pain, bloating, altered bowel habits (diarrhoea/constipation)
• Up to 70% of women with chronic pelvic pain have more than one overlapping diagnosis
• IBS pain is not strictly cyclic with menses; often relieved by defecation
• No dyspareunia or infertility; normal pelvic examination
• Rome IV criteria for diagnosis
• Textbook of Family Medicine, p. 2020

12. Inflammatory Bowel Disease (Crohn's Disease / Ulcerative Colitis)

• Crohn's disease can cause pelvic/abdominal pain, perianal disease, and bowel symptoms
• Rectal bleeding, weight loss, fever, elevated inflammatory markers
• Deep infiltrating endometriosis involving bowel can radiologically and clinically mimic colorectal carcinoma
• Colonoscopy, CT enterography, and histology distinguish these

13. Diverticulitis / Appendicitis

• Diverticulitis: left iliac fossa pain, fever, change in bowel habits - not cyclical
• Appendicitis: acute right iliac fossa pain - important acute differential
• Chronic appendiceal disease can occasionally mimic endometriosis

III. UROLOGICAL DIFFERENTIALS

14. Interstitial Cystitis / Painful Bladder Syndrome

• Chronic pelvic pain with urinary urgency, frequency, and dysuria
• Pain worsens with bladder filling and is relieved by voiding
• No cyclical pattern; no dysmenorrhoea or infertility
• Often coexists with endometriosis and IBS (shared central sensitization)
• Diagnosed by cystoscopy with hydrodistension
• Textbook of Family Medicine, p. 321

15. Recurrent Urinary Tract Infections / Urethral Syndrome

• Dysuria, frequency, urgency - can be confused with bladder endometriosis
• Distinguishable by urine culture, NAAT; cyclical hematuria should raise suspicion for bladder endometriosis

IV. MUSCULOSKELETAL DIFFERENTIALS

16. Myofascial Pain / Pelvic Floor Dysfunction

• Trigger points in pelvic floor muscles, abdominal wall, or hip flexors
• Constant or activity-related pain, not cyclically worsening
• Dyspareunia due to levator ani spasm (vaginismus/hypertonicity)
• Normal pelvic organs; diagnosed by physiotherapy assessment

17. Low Back Pain Syndromes

• Spondylolysis, spondylolisthesis, disc disease
• Lower back pain radiating to pelvis/thighs may overlap with endometriosis pain
• Not cyclical; musculoskeletal features on examination

V. PSYCHOLOGICAL / SYSTEMIC DIFFERENTIALS

18. Fibromyalgia

• Widespread musculoskeletal pain, fatigue, sleep disturbance
• Often coexists with endometriosis (central sensitization overlap)
• Tender points on examination; no pelvic pathology

19. Depression / Somatization

• Chronic pain disorders have a bidirectional relationship with depression
• Does not exclude organic pathology; must not be a diagnosis of exclusion without adequate work-up

Summary Comparison Table

• Berek & Novak's Gynecology, pp. 571-577, Table 12-3
• Robbins & Kumar Basic Pathology, p. 550
• Textbook of Family Medicine, pp. 2020-2030

Homoeopathic Medicines and Their Indications for Endometriosis

Important note on homoeopathic prescribing: Homoeopathy treats the patient, not the disease. Remedy selection is based on the totality of symptoms - mental, emotional, and physical - individualized to each patient. The medicines listed below are indicated when the symptom picture matches, not simply because the diagnosis is endometriosis. A qualified homoeopath selects the simillimum (the single best-matching remedy) through proper case-taking and repertorization.

Key Rubrics Used in Repertorization

• Female genitalia - Pain - menses - before / during
• Female genitalia - Dysmenorrhoea
• Female genitalia - Menses - painful
• Female genitalia - Pain - ovaries / uterus
• Female genitalia - Leucorrhoea
• Back - Pain - sacral - during menses
• Rectum - Pain - during menses (dyschezia)
• Generalities - Infertility
• Mind - Sadness / Irritability / Weeping

The Principal Homoeopathic Medicines

1. Sepia officinalis (Inky juice of cuttlefish)

• Bearing-down sensation in the pelvis - feels as if pelvic organs will fall out; must cross legs to prevent it
• Dysmenorrhoea with gripping, stitching pains, worse during coition - marked dyspareunia
• Aversion to sexual intercourse - characteristic and strong
• Menses - irregular, late, scanty or profuse; dark, offensive
• Infertility - one of the chief remedies; history of repeated abortions
• Fixed retroversion of uterus with dragging pain
• Leucorrhoea - yellowish, offensive, excoriating
• Mental picture: Indifferent to loved ones, irritable, sad, wants to be left alone, weeps when telling symptoms; better with vigorous exercise (dancing)
• Worse: cold, morning, before menses; Better: exercise, warmth
• Chilly patient, sallow complexion, saddle-shaped brown patch across nose

2. Lachesis mutus (Bushmaster snake venom)

• Pelvic pain and heaviness worse BEFORE menses - markedly relieved once flow begins
• Left-sided ovarian pain and ovarian cysts (especially left)
• Cannot bear anything tight around the waist or abdomen
• Dysmenorrhoea with dark, offensive, scanty flow - flow relieves the pain
• Jealousy, suspicion, loquacity - characteristic mental symptoms
• Hot flushes, palpitations
• Worse: sleep, tight clothing, touch; Better: onset of menses, warm applications
• Hot patient; worse on left side

3. Pulsatilla pratensis (Wind flower)

• Menses - delayed, scanty, irregular, with dark clotted or thick discharge
• Pain is changeable in character and location
• Dysmenorrhoea with bearing-down feeling; nausea and vomiting during menses
• Profuse heavy menstrual bleeding with clots
• Infertility - hormonal irregularity, suppressed menses
• Emotional: mild, gentle, weepy, craves sympathy and consolation
• Thirstless despite dryness of mouth
• Worse: warmth, stuffy rooms, evening; Better: open air, gentle motion, cold applications
• Hormonal remedy - useful in adolescent menstrual irregularities progressing to endometriosis

• IJFMR Case Report 2024

4. Belladonna (Deadly nightshade)

• Sudden, intense, throbbing pelvic pain coming and going rapidly
• Pain is hot, red, throbbing, and bursting in character
• Dysmenorrhoea with bright red profuse flow
• Uterine congestion - fullness, heaviness, bearing down
• Pain worse from jar, motion, touch; Better: pressure, bending backward
• Face flushed, pupils dilated, skin hot and dry
• Worse: 3 PM, touch, jar, noise, light; Better: rest, warmth, bending backward

5. Calcarea carbonica (Calcium carbonate - from oyster shell)

• Heavy, prolonged menstruation - menses too early, too profuse, too long
• Cold hands and feet, sweaty head (especially at night)
• Dysmenorrhoea with profuse, pale blood; fatigue
• Ovarian cysts - tendency to form cystic tumours
• Infertility in a sluggish, overweight patient
• Leucorrhoea - milky, profuse
• Anxiety about health, fear of cancer, fear of losing reason
• Desire for eggs, sweets; aversion to meat
• Worse: cold, wet, exertion, full moon; Better: dry weather, constipation
• Repertorial rubric: Fatigue and weight gain in endometriosis

6. Magnesia phosphorica (Magnesium phosphate)

• Colicky, crampy, spasmodic dysmenorrhoea - pain comes in spasms and waves
• Relieved dramatically by heat and pressure (hot water bottle, bending double)
• Pain radiates down the thighs
• Menses - early, dark, stringy, clotted
• Often used as Mag Phos 6X in water (tissue salt) as an acute pain remedy
• Nervous, sensitive, thin, dark-haired constitution
• Worse: cold, touch, right side; Better: warmth, pressure, doubling up

7. Colocynthis (Bitter cucumber)

• Violent, cramping, boring pelvic/abdominal pain - must press hard on abdomen or double up
• Pain comes in waves; associated with irritability, anger
• Dysmenorrhoea - pain radiates from ovaries down thighs
• Ovarian pain - especially left-sided (compare with Lachesis)
• Worse: indignation, anger, eating; Better: hard pressure, doubling over, heat

8. Sabina (Savin - Juniper species)

• Profuse, bright red menstrual bleeding with dark clots
• Labour-like pains extending from sacrum to pubis (low back to front)
• Dysmenorrhoea with violent bearing-down pains
• Tendency to miscarriage (history of recurrent abortions)
• Coexisting uterine fibroids - Sabina is one of the top remedies
• Pain worse from least motion; Better: cool, open air
• Great tendency to uterine/pelvic haemorrhage

9. Cimicifuga racemosa (Black cohosh / Actaea racemosa)

• Severe dysmenorrhoea - the heavier the flow, the MORE intense the pain (characteristic inversion)
• Bearing-down pain in uterus and lower back; darting pain from hip to hip
• Profuse, clotted, dark menstrual flow
• Menopausal-type symptoms (hot flushes, palpitations)
• Mental picture: Gloom, despondency, "feels a black cloud over everything"; sighing
• Muscle pains, neck stiffness - rheumatic element
• Worse: cold, damp, menses; Better: warmth, continued motion
• Also known as a great parturient and uterine tonic

10. Xanthoxylum fraxineum (Prickly ash)

• Periods are very painful with pain radiating into the back, thighs, and legs (neuralgic character)
• Menstrual bleeding is excessive and exhausting with marked bearing-down pain
• Weakness and exhaustion from menstrual loss
• Influence on nervous system and female sexual organs

11. Platina (Metallic platinum)

• Violent cramping, bearing-down pain with dark, clotted menstrual flow
• Markedly increased sexual desire (contrasted with Sepia's aversion)
• Burning and soreness in the genitalia
• Hypersensitivity of genitalia - cannot bear touch
• Mental picture: Pride, haughtiness, contempt for others, feeling of superiority (delusion of grandeur)
• Worse: touch, before menses; Better: walking

12. Thuja occidentalis (Arbor vitae)

• Ovarian cysts and endometriomas - tendency to form abnormal growths and tumours
• Left-sided ovarian pain
• Menses - scanty, delayed, retarded
• Associated with history of suppressed gonorrhoea (sycotic miasm)
• Warts, polyps, fibromas - all overgrowths of the sycotic constitution
• Worse: cold, damp, night; Better: warmth

13. Phosphorus

• Heavy menstrual bleeding - bright red, profuse, prolonged
• Anaemia from menstrual loss
• Anxiety, fear (dark, thunderstorms, being alone)
• Desire for cold drinks, ice cream; thirsty
• Burning pains in pelvis
• Sympathetic, impressionable, sensitive patient
• Worse: cold, touch, exertion; Better: cold food/drinks, sleep, rubbing

14. Ammonium carbonicum

• Menses - acrid, corrosive, watery flow that excoriates the thighs
• Dysmenorrhoea with fatigue and debility
• Profuse, early menses
• Worse: cold wet weather, morning; chilly patient

15. Apis mellifica (Honey bee)

• Ovarian pain and cysts - burning, stinging, sharp pain in right ovary
• Pain worse from heat, better from cold applications (opposite of most pelvic remedies)
• Scanty menses with pelvic heaviness
• Suppressed menses with ovarian symptoms
• Oedema, puffiness; thirstless
• Worse: heat, pressure, touch; Better: cold applications, open air

Summary Reference Table

Miasmatic Consideration

• Sycotic miasm (tendency to proliferative/overgrowth pathology - endometriomas, adhesions, fibrosis) - remedies: Thuja, Calc carb, Natrum sulph
• Psoric miasm (functional disturbances, pain without structural change) - Sulphur, Pulsatilla
• Syphilitic miasm (destructive pathology, deep infiltrating disease) - Mercurius, Nitric acid

Evidence Base