I have pain on left side thigh mid and lateral only when I touch that

I have pain on left side thigh mid and lateral only when I touch that with mild pressure from years and I tell this by elicited with same pressure on opposite side thigh

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Your symptom - pain on the left lateral and mid-thigh only when touched/pressed, not spontaneously, present for years, and confirmed by comparing to the right side - is a classic pattern of allodynia or hyperalgesia, most likely pointing to Meralgia Paresthetica (lateral femoral cutaneous nerve entrapment) or a peripheral neuropathic pain condition.

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lateral thigh pain only on touch pressure allodynia meralgia paresthetica diagnosis

Now let me read the textbook sections on meralgia paresthetica for detailed clinical info:

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I now have everything needed for a thorough, well-sourced answer.

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Here is a thorough breakdown of your symptom pattern:

Most Likely Diagnosis: Meralgia Paresthetica (Bernhardt-Roth Syndrome)

Your description fits this condition almost perfectly:

Pain only when touched (not spontaneous) on the left lateral/mid thigh
Unilateral (left side only)
Years of duration (can be chronic)
Confirmed by comparison to the other side - the right thigh feels normal with the same pressure

This type of pain-on-touch is called allodynia - pain triggered by a stimulus (light pressure) that would not normally cause pain. It is the hallmark of a sensory nerve problem, not a muscle or bone problem.

What Is Meralgia Paresthetica?

It is caused by entrapment (compression) of the Lateral Femoral Cutaneous Nerve (LFCN), a purely sensory nerve with no motor function. It supplies feeling to the anterolateral (front and outer) portion of the thigh.

Course of the Lateral Femoral Cutaneous Nerve

The nerve originates from spinal roots L2-L3, travels along the psoas muscle and ilium, then passes under or through the inguinal ligament just inside the anterior superior iliac spine (ASIS, the bony bump at the front of your hip). That passage is the most common site of entrapment.

Why Your Symptoms Match So Well

Feature	Your Symptom	Meralgia Paresthetica
Location	Left mid and lateral thigh	Anterolateral thigh (LFCN distribution)
Trigger	Touch / mild pressure	Allodynia - classic feature
Spontaneous pain	No (only on touch)	Often absent or mild in chronic cases
Duration	Years	Can be long-standing / chronic
Side	Unilateral (left)	Usually unilateral
Leg weakness	None mentioned	None - nerve is purely sensory

As stated in Rheumatology (2022, Elsevier): "Patients with meralgia paresthetica typically complain of burning pain and dysesthesia in the sensory distribution of the nerve... allodynia (increased sensitivity to light touch) is another manifestation."

What Causes the Nerve to Get Compressed?

Common contributing factors (any one of these can be responsible):

Tight belts, waistbands, or clothing pressing on the groin
Excess body weight / obesity - increases pressure on the nerve at the inguinal ligament
Prolonged standing or walking
Pregnancy (historical or current)
Diabetes - can make nerves more vulnerable
Prior abdominal or hip surgery (appendectomy, hernia repair, bariatric surgery)
Occupational postures - sitting for long periods or supporting weight on the thighs
Sometimes no identifiable cause at all (idiopathic)

Is It Anything Else?

A few other conditions to consider, though less likely given your description:

L2-L3 lumbar radiculopathy - nerve root compression in the lower back can also cause lateral thigh symptoms, but usually comes with some back pain and may affect reflexes
Femoral neuropathy - affects the front of thigh plus causes quadriceps weakness and a reduced knee reflex; your lack of weakness makes this less likely
Fibromyalgia or myofascial pain - diffuse, bilateral; does not match your highly localized unilateral pattern

The fact that it is strictly localized, unilateral, only on touch, no weakness, no reflex change points squarely at a peripheral sensory nerve - i.e., the LFCN.

What Should You Do?

See a doctor (neurologist, sports physician, or GP). A clinical diagnosis is usually enough - no expensive tests needed. They may:

Perform a pelvic compression test (repositioning the pelvis to change nerve tension and see if symptoms shift)
Check sensory mapping of both thighs
Occasionally order nerve conduction studies to confirm, though these are technically difficult for this nerve
Order an MRI of the lumbar spine only if radiculopathy needs to be ruled out

Conservative treatment is usually effective:

Loosen belts, waistbands, and clothing at the waist/hip
Weight loss if applicable
Avoid prolonged standing
NSAIDs for pain relief
Local anesthetic + corticosteroid injection near the inguinal ligament - both diagnostic and therapeutic
Neuropathic pain medications (gabapentin, amitriptyline) for persistent cases
Surgical decompression (neurolysis) is reserved for severe, chronic, unresponsive cases and is rarely needed

Important Note

The fact that this has lasted years without spreading, without leg weakness, and without worsening is actually reassuring - it suggests a stable, localized nerve irritation rather than something progressive. However, since it has persisted this long, you should get it evaluated. An untreated compressed nerve can occasionally worsen, and there may be a simple fixable cause (like a tight belt or posture habit).

Sources: Rheumatology 2-Volume Set (2022, Elsevier); Bradley and Daroff's Neurology in Clinical Practice; Dermatology 2-Volume Set 5e; Cleveland Clinic; POGO Physio

I thought it can tumor

That's an understandable concern. Let me give you an honest, direct answer.

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thigh tumor vs meralgia paresthetica differentiating features pain only on touch years

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soft tissue tumor thigh red flags symptoms that distinguish from nerve pain

That concern is worth taking seriously, so here is a clear, honest comparison:

Could It Be a Tumor? Probably Not - But Here Is Why

The Reassuring Side: Your Symptoms Don't Match a Tumor Well

A soft tissue tumor (including sarcomas - the most serious type) in the thigh has a very different profile from what you describe:

Feature	What You Have	Soft Tissue Tumor
Visible/palpable lump	Not mentioned	Almost always present - the lump itself is the first sign
Pain type	Only on touch, no spontaneous pain	Usually painless at first; pain only develops later as it grows and presses on nerves
Duration - size change	Years, presumably stable	Tumors grow over time - a sarcoma stable for years would be very unusual
Skin changes	None mentioned	May show visible swelling, skin changes
Location	Skin-level sensation	Tumors are usually deep in muscle tissue
Weakness	None	May develop as tumor compresses muscle/nerve

Key point from Mayo Clinic on soft tissue sarcoma: "A soft tissue sarcoma may not cause any symptoms at first. As the cancer grows, it may cause: a noticeable lump or swelling." - The lump comes first, pain is secondary and late.

Your situation is the opposite - you have pain/sensitivity on touch with no lump mentioned, which is a nerve pattern, not a tumor pattern.

Red Flags for a Soft Tissue Tumor (That You Should Watch For)

According to UK and international oncology guidelines, the features that demand urgent investigation are:

A visible or palpable lump (this is the #1 sign)
Lump larger than 5 cm (about 2 inches)
Lump that is growing in size
Lump that is deep (feels buried in muscle, not just under the skin)
New onset pain around a lump
Lump returning after being removed
Weight loss, fatigue, or night sweats (systemic signs)

If you have none of these, a tumor is very unlikely.

One Thing Worth Knowing: Tumors Can Occasionally Mimic Meralgia

There are rare case reports (published in Reumatologia Clinica) of internal masses - such as a retroperitoneal tumor or abdominal/pelvic mass - pressing on the lateral femoral cutaneous nerve from the inside, causing meralgia-like symptoms. In those cases, the symptoms are usually progressive and worsening, not stable for years.

Bottom Line

The combination of:

No lump you can feel or see
Pain only on touching the skin (surface sensation)
Stable for years without progression
Confined to the nerve territory of the lateral thigh
Normal on the other side

...is a nerve problem (meralgia paresthetica), not a tumor.

However, since this has been present for years without a diagnosis, you should see a doctor anyway - not because a tumor is likely, but because:

A doctor can physically examine the area and confirm no mass is present
A nerve block can both confirm and treat meralgia paresthetica
If there is any doubt, an ultrasound of the thigh (cheap, no radiation) will immediately show whether any mass exists under the skin

That single ultrasound scan would definitively rule out a tumor and give you peace of mind.

Can it be a bony tumor as I press hard against bone than this pain increased

Good question - pressing harder (deeper pressure reaching the bone) increasing the pain is an important new detail worth examining carefully.

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bone tumor femur thigh symptoms deep pressure tenderness bony vs nerve pain differentiation

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osteoid osteoma femur thigh pressure pain years benign bone tumor symptoms

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Good - I have solid information now. Here is a thorough, honest answer:

Bony Tumor - A Fair Question, With an Important Distinction

The new detail - that pressing harder and deeper (against the bone) makes the pain worse - is worth examining carefully. Here is what it means and what it doesn't mean.

Why Deeper Pressure Hurts More: The Physics Explanation First

Before assuming bone involvement, understand this: when you press hard on the lateral mid-thigh, your fingertips progressively compress:

Skin
Subcutaneous fat
The lateral femoral cutaneous nerve (which runs here)
Fascia and muscle
The femur bone (periosteum)

A compressed or irritated nerve will hurt MORE with harder pressure - not because the bone is diseased, but because more force = more pressure on the already-sensitive nerve. This is the same reason pressing harder on a bruise hurts more even though the bone is fine. So this finding alone does not confirm a bone problem.

Could It Be a Bone Tumor? Here Is the Honest Assessment

There are two relevant bone tumor types to consider:

1. Osteoid Osteoma (Benign - Most Relevant)

This is actually the one bone condition that best fits a years-long, localized thigh pain pattern. Key facts from Campbell's Operative Orthopaedics (2026) and Rheumatology (2022, Elsevier):

Feature	Osteoid Osteoma
Location	Femur is the #1 site (along with tibia)
Pain character	Dull, aching, deep, localized to the tumor site
Night pain	Hallmark feature - worse at night, often wakes patient
Response to NSAIDs	Classic - dramatic relief with aspirin/ibuprofen
Duration	Can last years before diagnosis
Age	Most common ages 4-25, but can occur in adults
Malignant potential	None - never becomes cancerous
Size	Small (<1.5 cm), does not grow or spread

The American Academy of Orthopaedic Surgeons confirms: "In some cases, a person will suffer the aching bothersome pain of an osteoid osteoma for years before seeing a doctor."

Ask yourself these two questions about osteoid osteoma:

Is your thigh pain significantly worse at night - enough to wake you or disturb sleep?
Does ibuprofen or aspirin make the pain noticeably better?

If both answers are yes - osteoid osteoma moves much higher on the list and you need an X-ray and likely CT scan urgently.

If both answers are no - osteoid osteoma is much less likely.

2. Malignant Bone Tumor (e.g., Osteosarcoma) - Much Less Likely

Red Flag Feature	Your Situation
Constant, progressive pain (not just on touch)	You have pain ONLY on touch - not spontaneous
Visible swelling or lump over the bone	Not mentioned
Pain worsening over weeks/months	Stable for years
Night pain waking you	Not mentioned
Systemic symptoms - weight loss, fever, fatigue	Not mentioned
Pathological fracture	No

A malignant bone tumor that has been present for years without progression, without spontaneous pain, without swelling - is very unlikely. Malignant bone tumors grow, cause escalating constant pain, and develop visible swelling.

Where This Leaves You: Updated Picture

Diagnosis	Likelihood	Key Distinguishing Feature
Meralgia paresthetica (nerve)	Most likely	Touch-only pain, skin-level, no night pain
Osteoid osteoma (benign bone tumor)	Possible - needs ruling out	Night pain + dramatic NSAID relief
Malignant bone tumor	Unlikely	Stable for years, no swelling, no spontaneous pain

What You Should Do Now

Since you have had this for years and are now concerned about bone involvement, the right step is:

See a doctor and get a plain X-ray of the left femur - cheap, no radiation concerns, and an osteoid osteoma shows a characteristic appearance (small lucent nidus surrounded by thick bone). This one test rules in or out most bone pathology.
If X-ray is inconclusive, a CT scan is the gold standard for identifying bone lesions.
A normal X-ray + CT would essentially rule out any significant bony pathology and point back to the nerve as the cause.

The X-ray alone would give you a definitive answer and real peace of mind. That is the next logical step.

A girl has period on 18 June start but in this month period not came on time and she also mention no any see in this time ..on past history shehas two time irregular interval of period like 26 march than 20 April than 17 may then 18 june and yet not come this time mention age of 28 years..thin build and small breast

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This is a clinical scenario: 28-year-old female, irregular periods, thin build, small breasts, now missed a period. This fits a broad clinical case - three-layer search required.

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I have enough solid textbook material. Let me now compile the full analysis.

Clinical Analysis: 28-Year-Old Woman With Irregular Periods

First: Understanding Her Cycle Pattern

Let me map out her cycle intervals clearly:

Period	Date	Days Since Last Period
1st	26 March	-
2nd	20 April	25 days
3rd	17 May	27 days
4th	18 June	32 days
5th	Not come yet	>35 days and counting (today is 23 July)

Normal cycle length is 21-35 days. Her cycles are:

Slightly short (25 days), then gradually lengthening
The last interval was 32 days (still within normal range)
Now 35+ days with no period = she is currently in oligomenorrhea progressing toward amenorrhea

The trend shows lengthening cycles over time, which is a meaningful pattern, not random variation.

Most Important Finding: Thin Build + Small Breasts

This physical description is the most diagnostically significant clue. Small breasts + thin build = low estrogen state. Estrogen drives breast development and fat distribution. If she has always been thin with small breasts, this suggests a chronically low estrogen environment, pointing to:

Differential Diagnosis (Most to Least Likely)

1. Functional Hypothalamic Amenorrhea (FHA) - Most Likely

According to Swanson's Family Medicine Review and Goldman-Cecil Medicine:

"Functional hypothalamic amenorrhea is characterized by abnormal secretion of GnRH, resulting in low LH levels and the absence of a midcycle LH surge. This leads to anovulation and low estradiol levels. Causes include stress, weight loss, anorexia nervosa, poor nutrition, and strenuous exercise."

Why this fits her:

Thin build = low body fat = insufficient leptin signaling to the hypothalamus
Small breasts = chronically low estrogen (long-standing suppressed hypothalamic axis)
Gradually worsening cycle irregularity
No spontaneous bleeding this cycle

The hypothalamus needs a minimum fat mass to maintain GnRH pulsatility. Thin women fall below this threshold and the whole HPO (hypothalamic-pituitary-ovarian) axis underfunctions.

Key questions to ask her:

Does she exercise excessively?
Is she under stress (emotional, academic, occupational)?
Has her weight dropped recently?
Any restrictive eating or disordered eating patterns?

2. Pregnancy - Must Always Rule Out First

Before any other workup, as Swanson's explicitly states: "Pregnancy is the most common cause of secondary amenorrhea and should be excluded first."

A urine/serum beta-hCG (pregnancy test) is the very first step regardless of her history.

3. Thyroid Dysfunction

Both hypothyroidism and hyperthyroidism can disrupt menstrual cycles by interfering with GnRH and gonadotropin secretion. Hypothyroidism in a thin young woman may be less obvious without classical features, but TSH must be checked.

4. Hyperprolactinemia

An elevated prolactin (from a pituitary microadenoma or other causes) suppresses GnRH and causes anovulation + irregular/absent periods. No galactorrhea was mentioned, but this is still on the list. Serum prolactin must be checked.

5. PCOS (Less Likely Given Her Build)

PCOS is the most common cause of irregular periods overall, but it typically presents with:

Overweight or obesity
Larger body habitus
Signs of androgen excess (acne, facial hair)

A thin woman with small breasts is more suggestive of a low-estrogen hypothalamic cause rather than PCOS (which tends toward high androgens and relatively normal/high estrogen). PCOS cannot be fully excluded without an ultrasound and androgen levels, but it is lower on this list.

6. Primary Ovarian Insufficiency (POI)

Premature loss of ovarian function before age 40. Possible but less common. Would show elevated FSH and LH with low estradiol. More likely if she has hot flashes or symptoms of estrogen deficiency.

The Diagnostic Framework

From Tietz Textbook of Laboratory Medicine (7th Ed):

For secondary amenorrhea evaluation - go in this order:

Step 1: Rule out PREGNANCY (urine β-hCG) ← Do this TODAY

Step 2: Blood tests:
   - TSH (thyroid)
   - Prolactin (pituitary)
   - FSH + LH (ovarian/hypothalamic)
   - Estradiol (E2)
   - Testosterone + DHEAS (if signs of androgen excess)

Step 3: Progesterone challenge test
   - Give medroxyprogesterone (Provera) 10 mg/day × 10 days
   - If withdrawal bleed occurs → estrogen is present → likely anovulatory (PCOS or hypothalamic)
   - If NO bleed → low estrogen → hypothalamic, pituitary, or ovarian failure

Step 4: If prolactin elevated → MRI pituitary

Step 5: Pelvic ultrasound (ovarian morphology, endometrial thickness)

What Is Likely Happening Here

Given the full picture:

Feature	Points Toward
Thin build	Low body fat → hypothalamic suppression
Small breasts	Chronic low estrogen since puberty or ongoing
Gradually lengthening cycles	Worsening anovulation
Now missed period	Anovulatory cycle
Age 28	Reproductive age, secondary amenorrhea
No mention of acne/facial hair	Against PCOS

Most probable diagnosis: Functional Hypothalamic Amenorrhea (FHA) - driven by low body weight/fat mass causing insufficient GnRH pulsatility.

If confirmed, management includes:

Nutritional rehabilitation - gradual weight gain, adequate calorie intake
Reduce excessive exercise if present
Stress reduction
In some cases, short-term hormone therapy to protect bones (prolonged low estrogen causes osteoporosis)
Treat the underlying trigger - the cycles often normalize with weight restoration

She should see a gynecologist or endocrinologist. Start with a pregnancy test today, then bloodwork as above.

Sources: Swanson's Family Medicine Review; Tietz Textbook of Laboratory Medicine 7th Ed; Berek & Novak's Gynecology; Goldman-Cecil Medicine

Create a flowchart showing secondary amenorrhea evaluation pathway

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A detailed medical clinical flowchart titled "Secondary Amenorrhea: Evaluation Pathway" showing the stepwise diagnostic algorithm. The flowchart starts at the top with "Secondary Amenorrhea (No period for ≥3 months or missed ≥3 cycles)" and flows downward with the following steps and branches: Step 1 box: "Step 1: Rule Out Pregnancy — Urine or serum β-hCG" with two branches: POSITIVE arrow going right to green box "PREGNANT — Obstetric care", NEGATIVE arrow continuing down. Step 2 box: "Step 2: Initial Blood Tests — TSH, Prolactin, FSH, LH, Estradiol (E2)" branching into three colored outcome boxes: - Left blue box: "TSH Abnormal → Thyroid disease (hypothyroid / hyperthyroid) → Treat thyroid" - Center orange box: "Prolactin Elevated → Check for galactorrhea, headache, visual fields → MRI Pituitary → Rule out prolactinoma" - Right purple box: "TSH + Prolactin Normal → Continue evaluation" Step 3 box (from purple branch): "Step 3: Progesterone Challenge Test — Medroxyprogesterone 10mg/day × 10 days" with two branches: - Left green branch: "WITHDRAWAL BLEED occurs (positive) → Estrogen present, outflow tract intact → Anovulatory state → Check androgens (testosterone, DHEAS) → PCOS vs Hypothalamic" - Right red branch: "NO BLEED (negative) → Low estrogen OR outflow obstruction → Estrogen + Progesterone challenge" From the No Bleed branch, another box: "Estrogen + Progesterone Challenge" with two branches: - Green: "Bleed occurs → Outflow tract intact → Low estrogen cause → Measure FSH/LH" - Red: "No bleed → Outflow tract obstruction → Asherman syndrome → Hysteroscopy" From "Measure FSH/LH" box, two branches: - Left: "FSH/LH HIGH (Hypergonadotropic) → Primary Ovarian Insufficiency (POI) → Karyotype if <30 yrs → Hormone replacement" - Right: "FSH/LH LOW/NORMAL (Hypogonadotropic) → Hypothalamic or Pituitary cause → MRI Brain/Pituitary → Rule out tumor → Functional Hypothalamic Amenorrhea (stress, low weight, exercise)" Bottom box: "Functional Hypothalamic Amenorrhea → Management: Nutrition rehabilitation, weight gain, reduce exercise, stress reduction, consider HRT for bone protection" Use clean professional medical diagram style with color-coded boxes: blue for initial steps, green for positive/normal findings, red/orange for abnormal findings, purple for diagnosis boxes. Clear arrows connecting all steps. White background.

Here is the complete Secondary Amenorrhea Evaluation Pathway flowchart:

Quick Reference Summary of the Pathway

Step 1 - Always first: β-hCG (pregnancy test) - most common cause of missed periods

Step 2 - Initial bloods: TSH + Prolactin - two easily treatable and common causes

Abnormal TSH → thyroid treatment restores cycles
High prolactin → MRI pituitary, rule out prolactinoma

Step 3 - Progesterone challenge: Functional test of estrogen status

Bleed occurs → estrogen present → anovulatory (check for PCOS)
No bleed → either low estrogen OR blocked outflow tract

Step 4 - Estrogen + Progesterone challenge (if no bleed on Step 3):

Bleed now → outflow intact, cause is low estrogen → measure FSH/LH
Still no bleed → Asherman syndrome (uterine scarring)

Step 5 - FSH/LH levels:

High FSH/LH → ovaries failing (Primary Ovarian Insufficiency)
Low/normal FSH/LH → brain/hypothalamus not signaling → Functional Hypothalamic Amenorrhea or pituitary tumor → MRI

For this patient (thin, small breasts, gradually worsening cycles) - the pathway most likely ends at Functional Hypothalamic Amenorrhea with low FSH/LH and low estrogen due to insufficient body fat mass.

I am 25 year old no have history of trauma , I after eating dinner i lie down on bed suddenly feel heavy in left leg like something i can't tell and then I fell chest press for a second like i will die and wake up and normal

This sounds like it could be a hypnic jerk (sleep start) combined with a brief vasovagal/pre-syncopal episode - both very common and usually benign at age 25 with no trauma history.

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Also I have one incident of mild dizziness for 2hich i

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