Lipoma, Oncology FAQ

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Understanding a Pain-Free Skin Bump: Possible Causes and Concerns

There is a painless lump under the skin? Recently, I discovered a small bump under the skin, about the size of a pimple. It is skin-colored, does not appear red, and is not painful. When I pull the skin, the bump moves along with it. Could you please tell me what this might be?


Dr. Hu Ziren Reply:
It should just be a benign subcutaneous tissue or a subcutaneous lipoma, such as a comedo, etc.

[Read More] Understanding a Pain-Free Skin Bump: Possible Causes and Concerns


Understanding Groin Lumps: Causes and When to Seek Medical Advice

Inguinal mass Three weeks ago, I discovered a hard lump about 1 centimeter in diameter on the left side of my groin where it connects to the thigh. The shape feels round or oval, and it is not painful when pressed. It does not move much, and it is difficult to feel unless I press...


Dr. Hu Ziren Reply:
It may just be lymph nodes or other benign tissues (such as lipomas), and observation is sufficient.

[Read More] Understanding Groin Lumps: Causes and When to Seek Medical Advice


Understanding Persistent Lumps in the Armpit: When to Seek Medical Advice

I have a hard lump about 1.2 centimeters in size under my armpit that has been present for several years? Several years ago (more than five years), I noticed a small hard lump under my right armpit. It does not have any black spots, feels deep, and does not hurt when touched or p...


Dr. Chen Sirong Reply:
Youzi / 27 years old / Female 1. I would like to ask what this condition might be? A: Benign lymphadenopathy, lipoma? Accessory breast tissue? It's really hard to say without a thorough examination (inspection, auscultation, palpation, inquiry). 2. Which department shoul...

[Read More] Understanding Persistent Lumps in the Armpit: When to Seek Medical Advice


Understanding Left Supraclavicular Swelling: When to Seek Medical Advice

Swelling in the left supraclavicular fossa? Hello, doctor. I have swelling on the left side of my neck, approximately in the area of the supraclavicular fossa. It is not painful or itchy, but I can feel two firm lumps when I press on it. Should I seek medical attention? Which spe...


Dr. Hu Ziren Reply:
It may just be some benign subcutaneous tumors (such as lipomas, lymph nodes, tendon tumors, etc.), and observation is recommended.

[Read More] Understanding Left Supraclavicular Swelling: When to Seek Medical Advice


Understanding CBC Results and Anemia Concerns in Cancer Patients

Please ask your questions regarding CBC blood test data? Hello, Doctor! I have had a unique constitution since childhood, unable to consume supplements, which usually leads to random growths. I have a surgical history of six procedures: 1. Facial lipoma 2. Adenotonsillar hypertro...


Dr. Hu Ziren Reply:
From the initial examination values, it indeed appears to be iron deficiency anemia; however, if there are concerns, it is advisable to consult a hematologist or a specialist in immunology and rheumatology. PS: 1. Does short sleep duration and staying up late affect CBC results...

[Read More] Understanding CBC Results and Anemia Concerns in Cancer Patients


Understanding Neck Lumps: Lipoma vs. Lymph Nodes in Children

Follow-up question #207281 regarding lymph nodes in the neck? Hello Dr. Chen, Thank you very much for your response to the inquiry regarding "lymph nodes in the neck" in article #207281. You mentioned the possibility of a "lipoma," so I would like to ask you ...


Dr. Chen Sirong Reply:
Kris / 42 years old / Male Q1-2A: I suggest you not to get too caught up in whether it is a lipoma; instead, focus on the current issue and get a neck ultrasound or CT scan. Q3: Dr. Chen, if a "lipoma" forms, is there a possibility that it could disappear on its own...

[Read More] Understanding Neck Lumps: Lipoma vs. Lymph Nodes in Children


Understanding Lymph Node Swelling in the Neck: Common Concerns and Questions

Questions about cervical lymph nodes? Hello Dr. Chen: When I was about 4 to 5 years old, I discovered an oval-shaped mass in the middle of my right neck that was oriented vertically. It felt soft and movable. Although the mass was not very large, it was clearly visible. My mother...


Dr. Chen Sirong Reply:
Kris / 42 years old / Male Q1. Is it possible for the lymph nodes to remain enlarged without decreasing in size or disappearing, and still be present today? A: 1.A It is uncertain whether it is a lipoma or a lymph node. 1.B It can still be present. Q2. Dr. Chen, are the lymph...

[Read More] Understanding Lymph Node Swelling in the Neck: Common Concerns and Questions


Understanding Lumps and Swellings: What You Need to Know About Lymph Nodes

Lymphadenopathy / Lymph node enlargement Hello, doctor. I just felt three small lumps above my right clavicle; they are soft and movable, and they are located close to each other. Additionally, there is a lump at the root of my right thigh that has been there for quite a while; i...


Dr. Hu Ziren Reply:
It is likely just some subcutaneous soft tissue, lipomas, or lymph nodes; observation is recommended.

[Read More] Understanding Lumps and Swellings: What You Need to Know About Lymph Nodes


Understanding Abdominal Pain and Lumps: Possible Causes and Next Steps

Multiple areas of abdominal pain with palpable masses? Hello, doctor. For the past two weeks, I have been experiencing lower abdominal pain, which initially presented with bruising, but the bruising has subsided. Upon palpation, I can feel two lumps, each less than 1 cm in size. ...


Dr. Chen Sirong Reply:
Hello! Regarding what you mentioned: the location of the pain changes, and when pressing on the painful spots, there is a sensation of hard lumps or nodules, along with feelings of inflammation and swelling, but when there is no pain, it is difficult to feel anything. 1. If a s...

[Read More] Understanding Abdominal Pain and Lumps: Possible Causes and Next Steps


Should I Worry About a Neck Lump? Understanding Potential Risks and Next Steps

A lump has appeared in the neck since October of last year? About last October, I discovered a lump in the groove between my ear and jaw. It is now shaped like a flat oval, approximately the size of a one-dollar coin in diameter and about the width of my index fingernail to the f...


Dr. Hu Ziren Reply:
It may just be some benign lymph nodes (or nodules, lipomas) that are hardened or calcified. Observation is recommended. If there is subsequent enlargement or an increase in number, then a consultation with a hematologist-oncologist may be warranted.

[Read More] Should I Worry About a Neck Lump? Understanding Potential Risks and Next Steps


Understanding a Soft Lump Above the Wrist: Possible Causes and Concerns

A raised lesion is present on the lateral side of the right wrist joint, approximately 3 centimeters above the vein? Hello Doctor, I have a concern regarding a smooth, round mass located about 3 centimeters above the wrist joint on the side of my right hand. It is approximately 1...


Dr. Hu Ziren Reply:
It may just be a lipoma or another benign nodule (such as a tendonoma). If you continue to press on it, it could lead to localized inflammation and infection. It is recommended to simply observe it.

[Read More] Understanding a Soft Lump Above the Wrist: Possible Causes and Concerns


Understanding Lymphadenopathy: Diagnosis, Treatment, and Concerns

Lymphadenopathy Consultation Hello, Dr. Hu. This year, I discovered a lump behind my ear. Six months ago, I visited an ENT specialist, and the doctor noted that it felt soft and movable. A laryngoscopy showed no abnormalities, so I was prescribed anti-inflammatory medication for ...


Dr. Hu Ziren Reply:
If there are concerns or suspicions of a malignant tumor, one may consider undergoing a surgical lymph node biopsy at a general surgery or otolaryngology department. Non-surgical options include computed tomography (CT) scans or self-paid whole-body positron emission tomography (...

[Read More] Understanding Lymphadenopathy: Diagnosis, Treatment, and Concerns


Understanding Armpit Lumps: When to Seek Medical Advice and Next Steps

Axillary lump In July, I discovered a lump in my armpit. It is painless, not visible externally, and I feel no discomfort, but it can be slightly moved. An ultrasound examination by a breast surgeon revealed a breast cyst, with no lymph node enlargement. The doctor advised monito...


Dr. Chen Sirong Reply:
1. Which department should I consult? A: General Surgery or Breast Surgery. 2. Why did the breast surgeon not detect the lump, only stating that the lymph nodes are not enlarged? A: Just because the breast surgeon did not see it in July does not mean it won't be visible fr...

[Read More] Understanding Armpit Lumps: When to Seek Medical Advice and Next Steps


Understanding Groin and Arm Lumps: When to Seek Medical Advice

Inguinal mass and hard nodules on the lateral aspect of the upper arm? 1. I would like to ask the doctor about a hard, painless lump in the right groin area that may have been there for some time but was only recently noticed. It feels like it could be fatty tissue, is oval-shape...


Dr. Hu Ziren Reply:
It may just be a benign lipoma or fibroma; you can consult a plastic surgeon or a general surgeon.

[Read More] Understanding Groin and Arm Lumps: When to Seek Medical Advice


Understanding a Lump Below the Left Collarbone: What Could It Be?

There is a lump below the left clavicle? Hello doctor, a few days ago I noticed a small lump under my left clavicle while examining my chest. It's located around the area between the first and second ribs. It's not very large and doesn't protrude much. I don't...


Dr. Hu Ziren Reply:
It may just be a benign subcutaneous tissue (such as a subcutaneous nodule, calcified tissue, lipoma, etc.), and observation is recommended.

[Read More] Understanding a Lump Below the Left Collarbone: What Could It Be?


Understanding Armpit Lumps: Tumors or Lymph Node Concerns?

Axillary lump This year, I suddenly discovered a small lump about 0.5 to 1 centimeter in size under my left armpit. It can only be felt when I stretch my arm or touch it, and it is not painful or itchy. It is movable, and I am unsure whether it is a tumor or related to the lymph ...


Dr. Hu Ziren Reply:
It may just be a benign subcutaneous nodule, such as a lipoma or lymph node. Observation is recommended.

[Read More] Understanding Armpit Lumps: Tumors or Lymph Node Concerns?


Understanding Lumps in the Armpit: What You Need to Know

Axillary lump Hello, doctor. I am 25 years old and discovered a lymph node in my neck when I was 16-17 years old. I also had one in my groin at that time. A biopsy of the neck lymph node showed normal results. These lymph nodes have not changed for nearly 10 years. However, in th...


Dr. Hu Ziren Reply:
The lymph nodes in the neck have undergone fine-needle aspiration and ultrasound imaging, which did not reveal any abnormalities. Additionally, since they are very small (less than 1 cm), the likelihood of cancer is extremely low. It is recommended to simply monitor the situation...

[Read More] Understanding Lumps in the Armpit: What You Need to Know


Understanding Abdominal Lumps: What You Need to Know About Tumors

Palpating the abdomen reveals small nodules? Hello doctor, three days ago I had stomach discomfort and went to see a doctor. The doctor performed an abdominal ultrasound and said that the organs appeared normal. Today, when I contracted my abdomen (very forcefully), I suddenly fe...


Dr. Hu Ziren Reply:
It may just be some benign tumors under the skin (such as lipomas, localized calcified tissue, etc.), and observation is recommended.

[Read More] Understanding Abdominal Lumps: What You Need to Know About Tumors


Understanding Kidney Tumors: When to Consider a Biopsy

Regarding renal tumors? Hello Doctor, my mother was diagnosed with hormone receptor-positive stage T1b breast cancer six months ago and has completed hormone therapy and radiation treatment. During a recent ultrasound, a hyperchoic lesion (1.46 x 1.0 cm) without acoustic shadow w...


Dr. Hu Ziren Reply:
Hamartoma, also known as angiomyolipoma, is a benign tumor. If asymptomatic (without abdominal pain, back pain, hematuria, etc.), it is recommended to simply observe. However, if subsequent follow-up shows that the size exceeds 4 cm or if complications arise (such as tumor bleedi...

[Read More] Understanding Kidney Tumors: When to Consider a Biopsy


Understanding Groin Lymph Nodes: When to Seek Medical Attention

Inguinal lymph nodes Hello, Doctor. I apologize for reaching out while I am currently abroad, and I plan to return to Taiwan in three months. I would like to hear your opinion on whether I should return to Taiwan for medical evaluation at this time. Since December of last year, I...


Dr. Chen Yunfang Reply:
Hello: Please arrange for a surgeon to perform a groin lymph node biopsy as soon as possible; it sounds concerning. Thank you.

[Read More] Understanding Groin Lymph Nodes: When to Seek Medical Attention


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