{"paper_id":"86c170cd-a3a2-416a-9c37-312973091476","body_text":"~ 1 ~ \nInternational Journal of Midwifery and Nursing Practice 2026; 9(1): 01-03 \n \n \n \nE-ISSN: 2663-0435 \nP-ISSN: 2663-0427 \nImpact Factor (RJIF): 6.18 \nwww.nursingpractice.net \nIJMNP 2026; 9(1): 01-03 \nReceived: 01-10-2025 \nAccepted: 04-11-2025 \n \nNiky Mathew  \nAssociate Professor,  \nHOD - Department of \nObstetrics And Gynecology \nNursing, Cauvery College of \nNursing, Mysuru, Karnataka, \nIndia \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \nCorresponding Author: \nNiky Mathew  \nAssociate Professor,  \nHOD - Department of \nObstetrics And Gynecology \nNursing, Cauvery College of \nNursing, Mysuru, Karnataka, \nIndia \n \nChocolate cysts (Ovarian endometriomas): A \ncomprehensive review with emphasis on nursing \nmanagement \n \nNiky Mathew \n \nDOI: https://www.doi.org/10.33545/26630427.2026.v9.i1a.224 \n \nAbstract \nChocolate cysts, clinically termed ovarian endometriomas, represent a severe ovarian manifestation of \nendometriosis characterized by cyst ic lesions filled with altered menstrual blood. These lesions are \nclosely associated with chronic pelvic pain, dysmenorrhea, dyspareunia, infertility, and significant \npsychosocial morbidity, leading to substantial impairment in quality of life among women of \nreproductive age. Despite advancements in diagnostic imaging and therapeutic strategies, ovarian \nendometriomas remain clinically challenging due to their chronic course, high recurrence rates, adverse \neffects on ovarian reserve, and rare malignant poten tial. This review provides a comprehensive \nsynthesis of current evidence on epidemiology, etiopathogenesis, molecular and inflammatory \nmechanisms, clinical manifestations, diagnostic approaches, differential diagnosis, medical and \nsurgical management, fert ility implications, complications, and prognosis of chocolate cysts. A major \nfocus is placed on integrated nursing management, highlighting the nurse’s role in pain control, \nhormonal therapy support, fertility counseling, perioperative care, psychological support, patient \neducation, and long -term follow-up. Strengthening nursing -led interventions is essential to improving \nsymptom control, treatment adherence, and holistic outcomes in women affected by ovarian \nendometriomas. \n \nKeywords: Chocolate cyst, ovaria n endometrioma, endometriosis, pelvic pain, infertility, nursing \nmanagement \n \nIntroduction \nEndometriosis is a chronic, estrogen -dependent inflammatory disorder defined by the \npresence of endometrial -like tissue outside the uterine cavity. It affects approxi mately 10-\n15% of women of reproductive age and is identified in up to half of women presenting with \ninfertility or chronic pelvic pain [1]. Among its various phenotypic expressions, ovarian \nendometriomas—commonly known as chocolate cysts —represent one of t he most clinically \nsignificant and structurally destructive forms of the disease. \nChocolate cysts are characterized by thick, dark brown fluid formed due to repeated cyclical \nbleeding of ectopic endometrial tissue within the ovary. Unlike superficial perit oneal \nimplants, ovarian endometriomas directly compromise ovarian tissue, leading to fibrosis, \nadhesion formation, follicular depletion, and impaired endocrine function. These \npathological changes contribute to persistent pain syndromes, reduced fertility,  and \ndiminished ovarian reserve. The chronic and recurrent nature of the condition necessitates \nlong-term multidisciplinary care, in which nursing professionals play a central and \ncontinuous role across all stages of management. \n \nEpidemiology and Risk Factors \nOvarian endometriomas most commonly affect women aged 25 -40 years and are reported in \napproximately 17-44% of women diagnosed with endometriosis [2, 3]. Bilateral involvement \nis observed in nearly one -third of cases. The prevalence is notably higher am ong women \nevaluated for infertility, recurrent pelvic pain, or adnexal masses. \nEstablished risk factors include early menarche, shorter menstrual cycles, prolonged \nmenstrual bleeding, nulliparity, delayed childbearing, and a positive family history of \nendometriosis [4]. Genetic susceptibility, estrogen dominance, immune dysregulation, and \nenvironmental exposures further modulate disease risk. Protective factors such as pregnancy, \nprolonged breastfeeding, and long -term use of combined oral contraceptives red uce \ncumulative menstrual exposure and appear to lower disease incidence. \n\nInternational Journal of Midwifery and Nursing Practice https://www.nursingpractice.net \n~ 2 ~ \nEtiopathogenesis \nThe etiopathogenesis of ovarian endometriomas is \nmultifactorial and complex. \n \nRetrograde Menstruation \nSampson’s theory proposes that viable endometrial cells \nreflux through the fallopian tubes during menstruation and \nimplant on pelvic structures, including the ovary [5]. \nHowever, as retrograde menstruation occurs in most \nwomen, additional mechanisms are required to explain \ndisease development. \n \nOvarian Invagination Theory \nThe ovarian invagination theory is currently regarded as the \nmost plausible explanation for endometrioma formation. \nRepeated cyclical bleeding from superficial ovarian \nendometriotic implants leads to progressive invagination of \nthe ovarian cortex, eventually forming a cystic cavity [6]. \n \nCoelomic Metaplasia and Stem Cell Theory \nMetaplastic transformation of coelomic epithelium and \ndifferentiation of stem or progenitor cells into endometrial -\nlike tissue may explain atypical disease distribution and \ncases occurring without tubal patency [7]. \nThese mechanisms interact with estrogen excess, chronic \ninflammation, oxidative stress, immune dysfunction, and \ngenetic predisposition to sustain lesion growth. \n \nMolecular and Inflammatory Pathophysiology \nChocolate cysts exhibit a highly inflammatory and oxidative \nmicroenvironment. The cyst fluid contains high \nconcentrations of iron, reactive oxygen species, cytokines, \nprostaglandins, and growth factors. Repeated intracystic \nhemorrhage leads to iron overload, resulting  in oxidative \nstress, lipid peroxidation, and cellular injury to adjacent \novarian tissue [8]. \nThese molecular disturbances promote fibrosis, adhesion \nformation, and progressive follicular loss, ultimately \nreducing ovarian reserve. Chronic inflammation also  \nsensitizes pelvic nerves, explaining persistent pain even \nafter apparent lesion removal. \n \nClinical Manifestations \nClinical presentation varies widely. Some women remain \nasymptomatic, while others experience severe and \ndebilitating symptoms. Common manifes tations include \nchronic pelvic pain, progressively worsening dysmenorrhea, \ndeep dyspareunia, infertility or delayed conception, \nmenstrual irregularities, lower back pain, and persistent \nfatigue [9]. The unpredictable and chronic nature of \nsymptoms often le ads to anxiety, depression, sexual \ndysfunction, and impaired social and occupational \nfunctioning. \n \nDiagnostic Evaluation \nClinical Assessment \nA detailed clinical history focusing on menstrual patterns, \npain characteristics, reproductive goals, and functiona l \nimpairment is essential. Pelvic examination may reveal \nadnexal tenderness, fixed ovarian masses, or restricted \nuterine mobility due to adhesions. \n \nImaging and Laboratory Evaluation \nTransvaginal ultrasonography is the first -line imaging \nmodality, typically demonstrating unilocular or multilocular \ncysts with homogeneous low-level internal echoes described \nas a “ground -glass” appearance [10]. MRI is useful in \ncomplex cases or when malignancy is suspected, showing \ncharacteristic T 1 hyperintensity with T 2 shading [11]. Serum \nCA-125 may be elevated but lacks diagnostic specificity [12]. \n \nMedical Management \nMedical therapy aims to suppress ovarian activity, reduce \nestrogen levels, and alleviate pain. Treatment options \ninclude combined oral contraceptives, progest ins such as \ndienogest, gonadotropin -releasing hormone agonists and \nantagonists, and the levonorgestrel -releasing intrauterine \nsystem [13]. While effective for symptom control, medical \ntherapy does not eliminate cysts, and recurrence is common \nafter discontinuation. \n \nSurgical Management \nSurgery is indicated for large cysts (>4 cm), severe \nsymptoms refractory to medical therapy, infertility, or \nsuspicion of malignancy. \n \nLaparoscopic Cystectomy \nLaparoscopic excision of the cyst wall is considered the \ngold stan dard. It provides superior pain relief and lower \nrecurrence rates compared to drainage procedures but may \nreduce ovarian reserve if healthy tissue is inadvertently \nremoved [14]. \n \nFertility Implications \nOvarian endometriomas impair fertility through mechani cal \ndistortion, inflammatory follicular damage, and \ncompromised oocyte quality. Fertility preservation \nstrategies, including oocyte or embryo cryopreservation, \nshould be discussed prior to surgical intervention, \nparticularly in women desiring future fertility. \n \nIntegrated Nursing Management of Chocolate Cysts \nNursing management is fundamental to effective care due to \nthe chronic, recurrent, and psychosocially burdensome \nnature of ovarian endometriomas. Nursing interventions \nextend across assessment, symptom  management, \nreproductive counseling, perioperative care, psychological \nsupport, education, and long-term follow-up. \n \nNursing Assessment and Early Identification \nNurses play a crucial role in early recognition through \ncomprehensive assessment of menstrual history, pain \npatterns, reproductive concerns, sexual health, and \npsychosocial well -being. Use of standardized pain \nassessment tools enables objective monitoring and \nevaluation of treatment response. \n \nPain Management \nPain control is a core nursing responsi bility. Nurses \nimplement multimodal strategies combining prescribed \nanalgesics and hormonal therapies with non -\npharmacological interventions such as heat therapy, \nrelaxation techniques, guided breathing, posture correction, \nand sleep hygiene counselling. \n \nSupport During Hormonal Therapy \nLong-term hormonal treatment requires consistent nursing \nsupport. Nurses educate patients regarding treatment goals, \nexpected effects, side effects, and the importance of \nadherence. Monitoring adverse effects and reinforcing  \nfollow-up significantly improve therapeutic outcomes. \n\nInternational Journal of Midwifery and Nursing Practice https://www.nursingpractice.net \n~ 3 ~ \nFertility and Reproductive Counselling \nNurses provide empathetic counselling on fertility \nimplications, explain the impact of disease and surgery on \novarian reserve, facilitate referral to fertility sp ecialists, and \nsupport informed decision -making regarding assisted \nreproductive technologies and fertility preservation. \n \nPreoperative Nursing Care \nPreoperative care focuses on patient education, anxiety \nreduction, informed consent reinforcement, and physi cal \nand psychological preparation for surgery. \n \nPostoperative Nursing Care \nPostoperative nursing management includes pain control, \nwound care, early ambulation, monitoring for \ncomplications, education on activity restrictions, and \nguidance on recurrence prevention and follow-up. \n \nPsychological Support \nGiven the association with chronic pain and infertility, \nnurses assess emotional well -being, provide therapeutic \ncommunication, screen for anxiety and depression, and \nfacilitate mental health referrals when necessary. \n \nPatient Education and Long-Term Follow-Up \nEducation regarding disease chronicity, recurrence risk, \nlifestyle modification, stress management, and adherence to \nfollow-up is central to sustained disease control. Nurses \nensure continuity of care and  act as a consistent point of \ncontact within the healthcare system. \n \nComplications \nComplications include recurrence, pelvic adhesions, \ndiminished ovarian reserve, cyst rupture, ovarian torsion, \nand rare malignant transformation into clear cell or \nendometrioid ovarian carcinoma [15]. \n \nPrognosis \nOvarian endometriomas are chronic conditions with a high \nlikelihood of recurrence. Early diagnosis, individualized \ntreatment, fertility -preserving strategies, and sustained \nnursing follow-up significantly improve long-term outcomes \nand quality of life. \n \nConclusion \nChocolate cysts represent a complex and debilitating \nmanifestation of endometriosis with significant physical, \nreproductive, and psychosocial consequences. Optimal \nmanagement requires an integrated approach c ombining \nmedical, surgical, and nursing care. Nursing professionals \nplay a pivotal role in pain management, fertility counseling, \nperioperative care, psychological support, patient education, \nand long -term disease monitoring. Strengthening nursing -\nled inte rventions is essential to reduce disease burden, \nenhance treatment adherence, and improve holistic patient \noutcomes. \n \nConflict of Interest \nNot available  \n \nFinancial Support \nNot available \n \nReferences \n1. Giudice LC. Endometriosis. N Engl J Med. \n2010;362(25):2389-2398. \n2. Vercellini P, Vigano P, Somigliana E, Fedele L. \nEndometriosis: pathogenesis and treatment. Nat Rev \nEndocrinol. 2014;10(5):261-275. \n3. Eskenazi B, Warner ML. Epidemiology of \nendometriosis. Obstet Gynecol Clin North Am. \n1997;24(2):235-258. \n4. Missmer SA, H ankinson SE, Spiegelman D, Barbieri \nRL, Marshall LM, Hunter DJ. Incidence of \nlaparoscopically confirmed endometriosis by \ndemographic, anthropometric, and lifestyle factors. 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Risk of developing ovarian cancer \namong women with ovarian endometrioma: a cohort \nstudy in Shizuoka, Japan. Gynecol Obstet Invest. \n2010;69(2):71-79. \n \nHow to Cite This Article \nMathew N. Chocolate cysts (Ovarian endometriomas): A \ncomprehensive review with emphasis on nursing management . \nInternational Journal of Midwifery and Nursing  Practice. \n2026;9(1):01-03. \n \nCreative Commons (CC) License \nThis is an open access journal, and articles are distributed under the  \nterms of the Creative Commons Attribution -NonCommercial-\nShareAlike 4.0 International (CC BY -NC-SA 4.0) License, which \nallows others t o remix, tweak, and build upon the work non -\ncommercially, as long as appropriate credit is given and the new \ncreations are licensed under the identical terms.","source_license":"CC0","license_restricted":false}