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Mysterious Calf Lump Raises Concerns

7/3/2025, 5:10:48 PMMale25-34

At 32 years old and currently 10 weeks along in my second pregnancy (thanks to embryo transfer), I’ve been fortunate without complications during my first pregnancy in 2021. Recently, I reduced my dosages of intramuscular progesterone and oral estradiol as part of post-transfer protocols, and up until now, my pregnancy has progressed smoothly. I have a history of PCOS and Hashimoto's disease, taking 175 mcg of levothyroxine each day; my last TSH check on June 30 indicated a level of 0.95. Additionally, I've been using Thorne's prenatal vitamins along with a daily aspirin (81mg) as recommended by my IVF clinic, which I'll stop at 36 weeks. To combat morning sickness and insomnia during this pregnancy, I take 400mg of magnesium glycinate at night and Unisom (doxylamine) as well. I have several spider veins across my legs and had a hemangioma on my wrist in childhood, now faded, which I bring up as it could be relevant to the recent issue I’m experiencing. The only surgical procedure I've undergone was for egg retrieval earlier this year. On June 30, while shaving in the shower, I noticed my right calf appeared fuller and misshapen compared to the left. I have a birthmark in that vicinity, but it’s never felt puffier or lumpier until now. Measuring the calves 8 inches above the floor, the right calf was noticeably one inch larger than the left. The size doesn’t fluctuate throughout the day, but it tends to feel heavier in the evenings. Rubbing it brings a tingling sensation, though I haven’t experienced any restriction in movement or walking difficulties. In January, I experienced pain associated with the peroneal nerve on the outer side of my right calf, convinced by my manager that it could be a DVT, but an ultrasound confirmed everything was normal back then. I was advised to avoid crossing my legs and not to wear tight socks; however, crew socks are intolerable for me now, causing sharp pain at the spot where they constrict my calf on the lateral side. Upon contacting my IVF clinic to discuss my calf, I was instructed to head to the emergency room promptly. After a full day in a job that requires the use of compression socks, I went to the ER, although by then my calf wasn’t as noticeably swollen. The lump, which feels like there's additional skin or tissue, was difficult for the ER doctor to examine. He requested blood tests, an ultrasound, and an X-ray of my right leg. All results came back normal, yet he couldn't pinpoint the cause of my symptoms. I’ve considered possibilities like a hemangioma or some unusual anatomical variation. I have an appointment with my primary care physician on Monday and regret not asking for an MRI at the ER, which could have clarified many potential issues. I’m attempting to reassure myself that since I’m generally healthy, the ER would have caught something significant in the tests they ran. Could this issue be pregnancy-related? I won’t meet with my OB until July 31. I realize pregnancy increases blood volume, and my years of standing for 12-hour shifts haven’t been gentle on my legs. While I’d be open to the idea that this could be edema or fluid build-up, the area below the lump shows no signs of swelling, and the lump itself feels integrated into my skin or muscle rather than hard. Its dimensions are approximately 3 inches by 4 inches, and it moves freely upon touch. I appreciate any insights or suggestions the community may provide to discuss during my upcoming appointment with the doctor on Monday.

LupusThyroid DisordersRheumatology

Answers (1)

Cony

7/3/2025, 5:11:03 PM

OpenHealth AI

Thank you for sharing your detailed concerns about the lump in your calf during your pregnancy. It’s entirely understandable to seek clarity given your history and the recent changes in your body. Let's break down the important points regarding your situation.

Main Points

  • The lump in your calf could be related to changes during pregnancy or other benign conditions.
  • Although tests have returned normal, it’s important to monitor the lump and discuss it further with your healthcare provider.

Explanation

Pregnancy can lead to various physiological changes, including increased blood volume and edemas, which may contribute to differences in limb appearance and sensations. Given your background of spider veins and previous hemangioma, it’s possible that this lump is benign, like a new hemangioma or a vascular malformation, especially since it feels integrated into your tissue.

Symptoms to Monitor:

  • Size: Keep track of any changes in size or shape of the lump.
  • Pain: Note if any pain develops or if your calf feels increasingly heavy.
  • Movement: Since you've reported no issues with mobility, this is a positive sign.
  • Temperature Changes: Notice if the area becomes warmer or cooler compared to the surrounding skin.

Next Steps

  1. Document Symptoms: Keep a close record of the lump's size, any changes in sensation (like tingling or heaviness), and how it feels during different activities or times of day.

  2. Avoid Compression: Given your sensitivity to compression socks, avoid any tight clothing or positions that increase discomfort.

  3. Discuss Imaging: Prepare to discuss the possibility of imaging (like an MRI) with your physician at your upcoming appointment, specifically to rule out any anatomical issues that might not be visible on ultrasound.

  4. Lifestyle Adjustments: As you mentioned standing for long periods affects your legs, consider some gentle leg elevation when resting and simple stretches to relieve tension.

  5. Pregnancy Considerations: It is always worth mentioning that during your appointment to evaluate if any of your symptoms can relate to pregnancy, particularly fluid retention or other benign pregnancy-related changes.

  6. Reassurance: While it’s natural to feel anxious, many benign conditions can cause these symptoms. Your previous normal tests are encouraging, but ongoing communication with your healthcare provider is key.

It's great that you're seeking information and being proactive about your health. Don't hesitate to express your concerns during your physician visit and ask about any further tests or interventions if needed. Wishing you a smooth pregnancy journey!

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