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Concerns About Right Thigh Mass

2/5/2026, 4:00:28 AMMale25-34

A 37-year-old woman has recently begun a light exercise regimen following a pregnancy loss a few months back. After using the treadmill and elliptical just over a week ago, she observed a noticeable oblong mass on the front part of her upper right thigh the next day. The mass doesn't cause pain when touched; it feels firm yet has a bouncy quality. While the leg feels slightly unusual, leading her to suspect a possible strain, her mind is racing with anxiety over the possibility of it being a tumor affecting her nerves. After some extensive online research, she is considering whether this could be a lipoma, although she wonders why it has only now become apparent. The mass is roughly 4 to 5 inches in size and isn't very visible to others, as her husband can barely detect it, but she is acutely aware of its presence. With an appointment scheduled with her primary care physician next week, she finds herself feeling stressed about the situation. Furthermore, she's experiencing some sadness as she seeks to improve her health in hopes that she and her husband can attempt to conceive again soon.

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Answers (1)

Cony

2/5/2026, 4:00:47 AM

OpenHealth AI

It's completely understandable to feel anxious when you notice a new mass on your body, especially during an emotional time. Based on your description, it's possible that the oblong mass could be a lipoma, which is a benign (non-cancerous) growth of fatty tissue. However, since you mentioned it feels firm with a bouncy quality and that it became noticeable after your recent exercise, it could also be related to a muscle strain or even a benign muscle swelling.

Explanation:

Lipomas are common and can develop in various locations on the body. They are typically soft and usually do not cause pain. The fact that your mass doesn't hurt when touched is reassuring. Strains resulting from exercise can also lead to swelling or mild muscle overgrowth, which could appear as a lump.

Next Steps:

  1. Stay Calm: It’s natural to feel anxious, but try to stay as relaxed as possible until your appointment. Stress can make it harder to tackle health concerns.

  2. Monitor Symptoms: Keep an eye on the mass for any changes in size, shape, or sensation, and note how your leg feels. If it remains stable and isn't causing you pain, that's generally a positive sign.

  3. Documentation: Before your doctor's appointment, consider writing down details about when you first noticed the mass, any changes since then, and how it feels. This information will help your physician understand your situation better.

  4. Avoid Self-Diagnosis: While it's helpful to research, try not to jump to conclusions about serious conditions. Focus on discussing your concerns and feelings with your healthcare provider for a professional evaluation.

  5. Maintain Your Exercise Regimen: Continue with your exercise as tolerated, but be gentle with yourself, especially as you're easing back into fitness. If you feel any pain or if the mass becomes uncomfortable, take a break from exercising.

  6. Emotional Support: Consider talking about your feelings of sadness and anxiety with someone you trust, a friend, or family member. Seeking support can provide relief.

Remember that the upcoming appointment is an opportunity for you to get answers and peace of mind. You are taking proactive steps towards your health, which is admirable. If you have any further questions or concerns in the meantime, feel free to ask.

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