Different Types of Gynecological Cancer 

For women across India, health is often a complex tapestry woven with cultural norms, awareness gaps, and access to care. When it comes to gynecological cancers, these complexities become even more pronounced. These are not just medical conditions; they are deeply personal challenges affecting a woman’s reproductive health, often shrouded in silence and stigma. Understanding the types of gynecological cancer is the first, critical step towards empowerment, early detection, and ultimately, saving lives. This guide is for every woman, every daughter, every mother, and every caregiver who seeks to understand and confront these formidable diseases.

In India, gynecological cancers represent a significant public health burden. While global trends often highlight breast cancer as the most prevalent female malignancy, the landscape in India presents a stark reality:

• Cervical cancer remains the second most common cancer in Indian women after breast cancer, despite declining trends globally due to effective screening programs. Annually, over 122,000 women in India are diagnosed with cervical cancer, and a staggering 67,000 succumb to the disease. (Source: Globocan 2020 estimates).
• Ovarian cancer incidence is unfortunately on the rise in India, emerging as one of the significant malignancies affecting women.
• The lack of widespread awareness, coupled with limited screening facilities, often leads to diagnoses at advanced stages, severely impacting prognosis and survival rates.

This makes it imperative to discuss female reproductive cancers with precision, empathy, and a strong call to action for early intervention.

Types of Gynecological Cancer: A Deep Dive

Gynecological cancers are a group of cancers originating in a woman’s reproductive organs: the uterus, ovaries, cervix, vagina, and vulva. Each type has its unique characteristics, risk factors, and pathways to detection and treatment.

Let’s explore the common gynecologic cancers and their implications, particularly for women in India.

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1. Cervical Cancer

Cervical cancer begins in the cervix, the lower, cylindrical part of the uterus connecting to the vagina. It’s often called India’s preventable cancer because, in almost all cases, it’s caused by persistent infection with the Human Papillomavirus (HPV).

Understanding the Etiology & Risk Factors (Beyond the Basics):
While HPV is the primary culprit, not all HPV infections lead to cancer. The body’s immune system usually clears the virus. However, persistent infection with high-risk HPV types (e.g., HPV 16 and 18, which account for about 70% of cases) can cause abnormal cell changes (dysplasia or precancerous lesions) that, over 10-20 years, may progress to invasive cancer.

In India, additional risk factors amplify this challenge:

• Early marriage and childbirth: Younger age at first intercourse and multiple pregnancies increase exposure and susceptibility to HPV.
• Poor menstrual hygiene: Lack of access to proper hygiene products and sanitation can contribute to chronic infections.
• Malnutrition and weakened immune systems: These can hinder the body’s ability to clear HPV infections.
• Smoking: A significant co-factor that increases the risk of progression from HPV infection to cancer.

Signs of Cervical Cancer (Early vs. Advanced):
Early-stage cervical cancer is notoriously silent, often presenting no signs or symptoms. This is why screening is paramount. As the cancer advances, gynecologic cancer symptoms by type for cervical cancer become more noticeable:

• Abnormal vaginal bleeding: The most common symptom, including bleeding after intercourse, bleeding between periods (metrorrhagia), or post-menopausal bleeding.
• Unusual vaginal discharge: May be watery, bloody, thick, or foul-smelling.
• Pelvic pain or pain during intercourse: Indicates more advanced disease.
• Leg swelling, difficulty urinating or passing stools: Signs of very advanced cancer where it has spread to surrounding organs.

Early Detection & Prevention:
The good news is that cervical cancer is highly preventable and curable if detected early.

• HPV Vaccination: A game-changer. Vaccinating young girls (typically 9-14 years old) before sexual activity is the most effective way to prevent HPV infection and subsequent cancer. India has introduced HPV vaccination programs, but widespread adoption and accessibility remain critical challenges. Studies from India have shown high seroconversion rates post-vaccination, confirming its efficacy in the Indian population.
• Screening Tests:
  • Pap Test (Pap Smear): Collects cells from the cervix to detect precancerous changes. In a pooled analysis of Indian screening tests, the Pap smear, even with its lowest sensitivity (57% for CIN2+), has a high specificity (93%).
  • HPV DNA Test: Directly detects the presence of high-risk HPV types. Studies from India comparing HPV DNA testing of self-collected vaginal samples with physician-collected cervical samples showed 93.8% agreement, highlighting the potential for increasing accessibility to screening, especially in rural areas.
  • Visual Inspection with Acetic Acid (VIA): A low-cost, low-tech alternative suitable for resource-limited settings. A cluster-randomized controlled trial in rural India involving over 1.4 lakh women demonstrated that VIA screening by primary health workers reduced cervical cancer mortality by 31%. (Sankaranarayanan et al.)

Treatment Approaches:
For early-stage disease, radical surgery (radical hysterectomy) is often curative. For advanced stages, a combination of concurrent chemoradiation therapy (chemotherapy given alongside radiation) is the standard of care. High-dose rate interstitial brachytherapy, an internal radiation technique, has shown promising outcomes in achieving local control and survival rates in Indian centres.

2. Uterine Cancer (Endometrial Cancer):

Uterine cancer, predominantly endometrial cancer, originates in the lining of the uterus (endometrium). Unlike cervical cancer, which is linked to infection, endometrial cancer is often driven by hormonal imbalances, particularly prolonged exposure to oestrogen without sufficient progesterone.

Difference between Uterine and Ovarian Cancer: It’s crucial to distinguish these: uterine cancer develops inside the main body of the womb, while ovarian cancer affects the ovaries, small organs adjacent to the uterus. Their symptoms, risk factors, and typical presentation differ significantly.

Escalating Risk Factors in India:
As India undergoes an epidemiological transition, the incidence of endometrial cancer is showing an upward trend, mirroring Western patterns. This rise is attributed to:

• Rising Obesity: A major risk factor, as adipose tissue produces oestrogen, leading to excess exposure. India is experiencing a growing epidemic of obesity, even in younger age groups.
• Increasing Diabetes and Hypertension: These metabolic conditions are strongly linked to endometrial cancer risk.
• Changing Lifestyles: Sedentary habits and altered dietary patterns contribute to the risk profile.
• Use of unopposed oestrogen therapy: For menopausal symptoms, without progesterone, can increase risk.
• Polycystic Ovary Syndrome (PCOS): A common condition in Indian women, which involves hormonal imbalances that can increase risk.

Signs of Uterine Cancers:
One of the most valuable aspects of endometrial cancer is that it frequently gives clear warning signs, leading to earlier diagnosis:

• Abnormal vaginal bleeding: This is the hallmark symptom. Post-menopausal vaginal bleeding or spotting is always abnormal and requires immediate medical attention. Bleeding between periods or unusually heavy/prolonged periods in pre-menopausal women also warrants investigation.
• Pelvic pain or pressure: Can occur as the tumour grows.
• Pain during sexual intercourse.

Diagnosis and Advanced Treatment:
If symptoms arise, a doctor will typically perform a pelvic exam, followed by an endometrial biopsy (a small tissue sample from the uterine lining) or a D&C (dilation and curettage).

• Surgical Staging: Treatment usually involves a hysterectomy with removal of fallopian tubes and ovaries (bilateral salpingo-oophorectomy), along with lymph node assessment. Minimally invasive techniques like laparoscopic and robotic hysterectomies are increasingly available in advanced Indian centres, offering benefits like reduced blood loss and shorter hospital stays. Studies show robotic surgery can remove comparable numbers of lymph nodes (e.g., mean 30.56 in robotic vs. 27.6 in open surgery) with better patient outcomes.
• Adjuvant Therapy: Depending on the surgical pathology (grade, depth of invasion, lymph node involvement), adjuvant radiation and/or chemotherapy may be recommended. Studies from Tata Memorial Centre in Mumbai highlight a 5-year disease-free survival rate of 80% for early-stage endometrial adenocarcinoma, underscoring the benefits of comprehensive management.

3. Ovarian Cancer: The “Silent Killer” Demands Vigilance

Ovarian cancer originates in the ovaries, the small, almond-sized organs that produce eggs and hormones. It holds the unfortunate moniker of the “most deadly gynecologic cancer” due to its propensity for late diagnosis.

The Enigma of Late Diagnosis:
The primary reason for late detection is the lack of specific early symptoms. The ovaries are deep within the pelvis, and a growing tumour can often go unnoticed until it’s large enough to press on surrounding organs or shed cells into the abdominal cavity, leading to widespread metastasis.

Understanding the Types:

• Epithelial Ovarian Cancer (EOC): Accounts for about 85-90% of all ovarian cancers, originating from the cells on the surface of the ovary. Subtypes include serous, mucinous, endometrioid, and clear cell carcinomas.
• Germ Cell Tumours: Arise from the egg-producing cells, typically affecting younger women and generally having a better prognosis. In India, germ cell tumours in young patients often see fertility preservation therapies being successfully employed.
• Stromal Cell Tumours: Develop from the connective tissue cells that hold the ovary together and produce hormones; generally slow-growing.

Signs of Ovarian Cancers:
While subtle, persistent, and new-onset symptoms should never be ignored, especially in women over 50. The gynecologic cancer symptoms by type for ovarian cancer include:

• Persistent abdominal bloating, swelling, or discomfort: Feeling like your clothes are getting tighter around your waist.
• Feeling full quickly after eating or difficulty eating.
• Pelvic or abdominal pain: Persistent and new.
• Frequent or urgent urination.
• Changes in bowel habits: Such as new-onset constipation or irritable bowel syndrome (IBS)-like symptoms.
• Unexplained weight loss or gain.

Genetic Predisposition in India:
The role of genetics in ovarian cancer is well-established. Mutations in BRCA1 and BRCA2 genes significantly increase lifetime risk. Indian studies have investigated these, finding diverse sequence variants in the Indian population, distinct from common founder mutations seen in Western populations. For instance, a pilot study found novel sequence variants in BRCA1 and BRCA2 in Indian EOC patients. This highlights the need for genetic counselling and testing in high-risk individuals.

Diagnosis and Aggressive Treatment:
Diagnosis typically involves a pelvic exam, transvaginal ultrasound, blood tests for tumour markers (like CA-125), and often a CT or MRI scan. Definitive diagnosis requires a biopsy.

• Surgical Cytoreduction: The cornerstone of treatment, aiming to remove as much visible tumour as possible (optimal debulking). In advanced EOC, this is often followed by chemotherapy. Indian centres have reported improving optimal debulking rates (e.g., from 55% to 97% over years in one audit), significantly impacting survival.
• Neo-Adjuvant Chemotherapy (NACT): In cases with extensive disease or poor patient fitness, NACT is given before surgery to shrink the tumour, followed by interval debulking surgery. Indian studies confirm that NACT followed by interval debulking yields comparable survival rates to primary cytoreduction in advanced EOC.
• Intraperitoneal Chemotherapy (IPCT): Delivers chemotherapy directly into the abdominal cavity. While associated with higher toxicities, IPCT has shown survival benefits in optimally cytoreduced advanced EOC, with Indian studies demonstrating its feasibility and completion rates of 70% for all 6 cycles in some cohorts.

4. Vaginal Cancer: The Rarity That Demands Attention

Vaginal cancer is exceptionally rare, starting in the muscular tube that connects the cervix to the vulva. It usually affects women over 50 and is, like cervical cancer, often linked to HPV infection.

Specific Risk Factors:

• HPV infection: A strong link, particularly high-risk types.
• History of cervical cancer or pre-cancer (CIN): Increases the risk.
• Advanced age: More common in older women.
• Smoking: Weakens the immune system and increases risk.
• Previous radiation therapy to the pelvis: Can sometimes be a risk factor.

Signs of Vaginal Cancers:
While rare, being aware of these can lead to prompt diagnosis:

• Abnormal vaginal bleeding or discharge: Including bleeding after intercourse, between periods, or after menopause.
• A palpable mass or lump in the vagina.
• Pain during and after sexual intercourse.
• Painful urination or constipation: If the tumour presses on the bladder or rectum.

Diagnosis and Treatment:
Diagnosis involves a pelvic exam, Pap test (which can sometimes pick up vaginal abnormalities), colposcopy, and biopsy of suspicious areas.

• Treatment Options: Radical surgery (vaginectomy), radiation therapy (external beam and brachytherapy), and chemotherapy are the mainstays. A study in India on vaginal carcinoma treated with radiotherapy reported a 5-year disease-free survival of 50%, with better outcomes for patients receiving brachytherapy promptly after external radiation.

5. Vulvar Cancer: 

Vulvar cancer occurs on the external female genitalia (the vulva), which includes the labia, clitoris, and vaginal opening. This cancer often progresses slowly and is frequently preceded by precancerous changes called vulvar intraepithelial neoplasia (VIN).

Prevalence and Risk Factors in India:
While globally less common than other gynecological cancers, Indian studies indicate a decreasing trend of vulvar cancer over decades (e.g., from 2.25% in the 1980s to 0.33% in the 2000s in one study). However, it remains a concern, especially in elderly women.

• HPV infection: A significant risk factor, particularly in younger women with vulvar cancer.
• Chronic irritation and inflammation: Conditions like lichen sclerosus, a chronic skin condition affecting the vulva, can increase risk.
• Smoking: Potently increases risk, especially with HPV infection.
• Weakened immune system: Due to HIV or immunosuppressive medications.

Signs of Vulvar Cancers:
Unlike deeply seated cancers, vulvar cancer often presents with visible or palpable symptoms, making early detection theoretically easier, yet it’s still often diagnosed late due to embarrassment or misdiagnosis.

• Persistent itching, burning, pain, or tenderness in the vulvar area.
• A lump, growth, or sore on the vulva: Can be red, pink, or white; may look like a wart or ulcer that doesn’t heal.
• Changes in vulvar skin: Such as thickening, discoloration (red, white, or dark patches), or a rash.
• Bleeding not associated with menstruation.

Diagnosis and Curative Potential:
Diagnosis involves a physical examination and a biopsy of any suspicious lesions.

Treatment: Primarily surgical, involving wide local excision or vulvectomy (partial or total) to remove the cancerous tissue and often nearby lymph nodes. In most cases, radical surgery is sufficient. Adjuvant radiation therapy or chemotherapy may be used for advanced stages or if lymph nodes are involved. Given its external location, vulvar cancer is a highly curable type of gynecological cancer if caught early.

6. Gestational Trophoblastic Neoplasia (GTN): A Unique Pregnancy-Related Cancer

GTN is a rare group of tumours that develop from the trophoblastic cells, which are cells that normally form the placenta during pregnancy.i.e., it is a unique pregnancy-related cancer These tumours are unique because they are related to pregnancy and can occur during or after pregnancy.

Types and Characteristics:
GTN encompasses both benign conditions (e.g., hydatidiform mole) and malignant forms (choriocarcinoma, invasive mole, placental site trophoblastic tumour, epithelioid trophoblastic tumour).

Signs and Diagnosis:
Often detected after an abnormal pregnancy (e.g., miscarriage or molar pregnancy). Symptoms can include:

• Abnormal vaginal bleeding after pregnancy.
• High levels of the pregnancy hormone hCG (human chorionic gonadotropin) after pregnancy.
• Symptoms related to metastasis (e.g., lung symptoms if it spreads to the lungs).

Highly Curable:
Despite being cancerous, GTN is highly curable, often with chemotherapy alone, even when it has spread. Indian studies have shown impressive complete remission rates with first-line chemotherapy (e.g., 66.7% for high-risk GTN), with overall survival rates in the range of 88-100% for various risk groups.

How to Detect Gynecological Cancers Early?

The journey through any cancer diagnosis is challenging, but early detection dramatically improves outcomes. For women in India, this message cannot be overstated.

Be Body Aware – Your First Line of Defence:

• Know what’s normal for your body. Any persistent changes, especially in bleeding patterns, discharge, pelvic pain, or vulvar appearance, warrant attention. Don’t dismiss symptoms as just “women’s issues” or normal ageing.
• Speak up without hesitation. Cultural barriers or embarrassment should never delay seeking medical advice. Your health is paramount.

Prioritise Regular Health Check-ups:

• Annual Gynaecological Check-ups: Even if you feel well, regular visits allow for discussions about your reproductive health and early detection of abnormalities.
• Cervical Cancer Screening (Pap & HPV Tests): If available and accessible, regular screening according to national guidelines is crucial for women over 25.
• HPV Vaccination: Discuss vaccination for adolescent girls (and boys) with your doctor.

Recognise Persistent Symptoms:

• If any of the signs of gynecologic cancers mentioned above persist for more than a few weeks, or are new, severe, and unexplained, consult a doctor immediately.
• Specific Red Flag: Any vaginal bleeding after menopause is a medical emergency and must be investigated without delay.

When a diagnosis of gynecological cancer is made, seeking care from a gynecologic oncologist is ideal. These are specialists who have undergone extensive training in the diagnosis and treatment of these specific cancers. Their expertise ensures that you receive the most appropriate, evidence-based, and often multidisciplinary care, tailored to the unique complexities of gynecological cancer types.

Conclusion: Breaking the Silence, Building a Healthier Future

Gynecological cancers are a reality for countless women in India. But with increasing awareness, proactive health-seeking behaviour, advancements in diagnostics, and specialized treatment options, the narrative can change. Understanding the types of gynecological cancer, recognizing the signs of gynecologic cancers, and knowing how to detect gynecological cancers early are powerful tools.

Let’s commit to breaking the silence, fostering open conversations about women’s health, and ensuring that every woman has the knowledge and support to face these challenges with courage and confidence. Your health journey is important, and informed choices pave the way for a healthier future.