在头上找到一个凹凸是很常见的。皮肤，皮肤下或骨骼下发生一些肿块或肿块。这些颠簸有各种各样的原因。

In addition, each human skull has a natural bump on the back of the head. This bump, called an inion, marks the bottom of the skull where it attaches to the neck muscle.

的re are many reasons why you could develop a bump or lump on the back of your head. Most are harmless. In rare cases, however, a lump on the head could indicate a more serious problem.

如果您注意到头部上的凹凸变化，如果它出血或疼痛，请联系您的医生。

1.头部受伤

如果您在硬对象上击中头，则可能会遇到头部受伤。如果头部受伤后头上出现撞击，那么你的头部受伤是一个迹象，身体正试图治愈自己。

Some scenarios that can result in头部受伤是：

  • 车祸
  • sports collisions
  • falls
  • violent altercations
  • blunt force traumas

Head injuries can result in a scalp hematoma, or blood clot. If you experience a small head injury and a lump develops on your head, the developed hematoma is a sign that there’s minor bleeding under the skin. These bumps typically go away after a few days.

More traumatic head injuries can cause larger bumps or even bleeding on the brain (颅内那epidural那andsubdural hematomas).

If you experience a head injury — especially one that causes you to lose consciousness — visit your doctor to ensure you’re not bleeding internally.

2. Ingrown hair

如果你刮你的头，你可能会得到根深蒂固的头发。当剃光的头发生长到皮肤而不是通过它时，发生这种情况，导致小，红色，坚固的凸起。有时候，an ..ingrown hair can become infectedand turn into a pus-filled bump.

由于头发的发展，天鹅毛通常是无害的并且通常纠正自己。你可以通过让头发成长来防止生束的毛发。

3. Folliculitis

Folliculitisis the inflammation or infection of a hair follicle. Bacterial and fungal infections can cause folliculitis. These bumps can be red or look like whitehead pimples.

这种情况也被称为：

In addition to bumps on the head, people with folliculitis on the scalp may also experienceitchingand soreness. If left untreated, the infections could turn into open sores.

毛囊炎的治疗包括：

  • daily soap washes
  • over-the-counter antibiotic creams
  • prescription pills or shampoos

在罕见的，极端情况下，专业人员可能需要执行laser hair removalor电解。

有些步骤您可以避免脱毛炎，包括：

  • not wearing hats
  • not shaving
  • 避免游泳池和热水浴缸

4.脂溢性角化症

Seborrheic keratosesare noncancerous皮肤生长that look and feel like warts. They typically appear on the head and neck of older adults.

这些颠簸通常是无害的，即使他们可能看起来也是如此similar to skin cancer。For this reason, doctors rarely treat them. If your doctor is worried the seborrheic keratoses will become skin cancer, they may remove it using surgery.

5.表皮样囊肿

表皮细胞囊肿are small, hard lumps that grow under the skin. These slow-growing cysts frequently occur on the scalp and face. They don’t cause pain, and are skin-colored or yellow.

一种buildup ofkeratinbelow the skin is often the cause of epidermoid cysts. They are very rarely cancerous. Sometimes these cysts will go away on their own. They usually aren’t treated or removed unless they become infected and painful.

6. Pilar cyst

皮拉尔囊肿是在毛囊周围形成的角蛋白填充的囊。Pilar囊肿最常发生在头皮上。它们可以尺寸范围，但几乎总是平稳，圆顶形，呈肤色。

这些囊肿不痛苦地触及。除非被感染或化妆品原因，否则通常通常治疗或除去。

7. Lipoma

一种脂肪瘤is a fatty, noncancerous tumor. Lipomas are the most common soft tissue tumor found in adults, but rarely occur on the head. More commonly, they occur on the neck and shoulders.

Lipomas are a collection of fat tissue located under the skin. They often feel soft or rubbery and move slightly when touched. They aren’t painful and are harmless.

通常不需要治疗Lipomas。但是，如果肿瘤成长，您的医生可能会推荐手术以将其移除。

8. Pilomatrixoma

一种掠夺瘤is a hair follicle tumor that develops when follicle cells grow too much. It feels hard to the touch because it occurs after cells calcify under the skin. Pilomatricomas develop in children and adults.

这些肿瘤通常发生在脸部，头部和颈部。通常，只有一个块状，它随着时间的推移而缓慢地增长。这些颠簸通常不会受到伤害。

毛皮样瘤可以变成癌症的一小机会。因此，通常避免治疗。如果毛皮样瘤变得感染，你的医生可以手术地消除它。

9. Skin cancer

Some皮肤癌症可以在皮肤上发育频繁，阳光曝光，就像脸部或头部的头部。皮肤癌似乎可以像小块一样出现，也可以溃疡，斑块或斑点。

Most skin cancers on the head don’t typically spread. But they should still be taken seriously. A doctor can make a proper diagnosis, which will determine the type of treatment you’ll need.

10. Exostosis

脱索是骨上现有的骨的生长。的se bony growths often first appear in childhood. They can occur on any bone, but rarely occur on the head.

一种n X-ray can reveal if the bump on your head is an exostosis. Treatment for bony growths depends on what complications, if any, arise. In serious cases, you may require surgery.

难以确定你头脑上的凹凸是令人担忧的原因。虽然许多颠簸不需要医疗注意力，但有些可能是严重状况的标志。

You should talk with a doctor if the bump or lump:

  • is causing severe pain
  • 改变外观或尺寸
  • leaks pus or discharge
  • 是出血
  • is warm to the touch

You should also talk with a doctor if you experience:

  • headache that gets worse or doesn’t go away
  • vomiting
  • trouble with balance
  • dizziness
  • lethargy
  • memory loss
  • loss of consciousness
  • confusion
  • 言语不清
  • trouble sleeping

头部大部分肿块都没有癌变。但有一些皮肤癌导致头皮或面部的肿块。这些包括：

  • 鳞状细胞癌(癌)form in the outermost layer of your skin. These can sometimes have the appearance of wart-like growths or moles. They’re usually red or pink, but may be other colors.
  • Basal cell carcinomas (BCCs)are cancerous tumors that develop in the deepest layer of your skin. They can be red or pink and look like bumps, sores, or scars. BCCs account for about 80 percent of skin cancers.
  • Nodular melanomasalso form in the deepest layer of the skin. These are much less common, but much more likely to spread. They’re the deadliest form of skin cancer. These lumps are blue or black.
  • Merkel cell carcinoma (MCCs)是罕见但积极的肿瘤大多出现在70岁以上的人。它们看起来像一个红色，粉红色或紫色点，有时可以看起来像昆虫叮咬。他们快速增长，在几周内明显更大。

Mosthead and neck cancers form on the jaw or around the mouth or nose, rather than on the back of your head.

Talk with your doctor if you suspect the lump on your head could be cancerous. A dermatopathologist will evaluate the lump by:

  • examining the lump
  • 对您的健康提出问题
  • 在肿块上进行活组织检查

Proper treatment for a bump on your head will depend on the cause. A doctor will make a diagnosis before recommending any treatment.

To diagnose the cause of the bump or lump on your head, a doctor might conduct any of the following:

  • physical exam
  • blood test
  • skin biopsy
  • imaging, such as a X-ray or CT scan, in some cases

Injury

对于受伤引起的头部的凸起，治疗可能包括：

  • 冰
  • rest
  • ointments and bandages

您还可以接受药物治疗，以帮助其他与碰撞无关的伤害的其他症状。

Infection

Infections like folliculitis tend to go away on their own eventually. In some cases, doctors may prescribe an antibiotic cream to apply to the infected areas. If infection keeps occurring, doctors may recommendhair removal。

Cysts, growths, and noncancerous tumors

Most cysts, growths, or noncancerous tumors don’t require treatment. But you may still want to have them removed. Doctors may perform any of these surgical options:

医生也可以排出囊肿，但这实际上并没有去除囊肿。稍后可能会回来。重要的是尝试自己去除或排出囊肿，因为这会导致感染。

Cancer

Diagnosis of cancer requires a skin biopsy. If the biopsy reveals that cancer cells are present, doctors will remove the cancer surgically.

Doctors usually remove skin cancers on the head or face withMohs surgery。This type of surgery allows doctors to see where the cancer cells stop, so they don’t remove any healthy cells.

Many conditions can cause a bump or lump on the back of the head. Treatment varies based on the cause. Most bumps on the head are harmless.

If you’re unsure what’s caused the bump on your head, inform your doctor and watch the bump closely. If it changes or any of the following occur, call your doctor immediately:

  • bleeding
  • increased pain
  • growth
  • transformation into an open sore