What is a Sternomastoid?

: a thick superficial muscle on each side of the neck that arises by one head from the first segment of the sternum and by a second from the inner part of the clavicle, that inserts into the mastoid process and occipital bone, and that acts especially to bend, rotate, flex, and extend the head.

What is the most common benign tumor of infancy?

Infantile Myofibromatosis. IM is the most common benign fibrous tumor in infants (20). Almost 90% of cases occur within the first 2 years of life, with 50% occurring in newborns.

What is Sternomastoid hematoma?

1 Sternocleidomastoid (SCM) muscle haematoma after minor blunt injury is rare, especially in the adult age group. 2 Head and neck tumour related bleeding and haematomas have been reported in paediatric patients. 3,4 Complications may also arise after radiation therapy which results in fibrosis, scarring and atrophy.

Does fibromatosis colli go away?

The diagnosis of fibromatosis colli was raised by ultrasound sonography. The mass regressed spontaneously within 3 months without surgical or physical treatment.

Why does my SCM hurt?

Causes of SCM pain can include chronic health conditions, such as asthma, and acute respiratory infections, such as sinusitis, bronchitis, pneumonia, and the flu. Other causes of SCM pain include: injuries such as whiplash or falls. overhead work such as painting, carpentry, or hanging curtains.

What causes fetal tumors?

In fetuses, tumors may result from failure of developing tissues to undergo normal cytodifferentiation and maturation. Cervical teratomas may originate from the palate, nasopharynx, or thyrocervical area. They are usually closely related to, but do not arise from, the thyroid gland.

What are the common benign and malignant tumors of infancy?

Haemangiomas and lymphatic malformations accounted for most benign tumors (67.4%). If these are excluded and only true neoplasms are considered, malignant tumors represent 36.3% of the total of 22 neoplasms. Neuroblastoma and congenital fibrosar- coma were the commonest malignant tumors.

What is the treatment for fibromatosis?

Treatment options include surgery, nonsteroidal anti-inflammatory drugs with or without hormonal manipulation, chemotherapy, radiation therapy, and other forms of local therapy. Many treatments have been used, but these are not without toxicities.

What causes fibromatosis colli?

Fibromatosis colli is a condition in which there is diffuse enlargement of the sternocleidomastoid muscle, usually in infancy. [1] Though the exact etiology is not known, it is most likely due to birth trauma. [2] It is one of the causes of congenital torticollis.

How big is a sternocleidomastoid tumor of infancy?

Sternocleidomastoid Tumor of Infancy. What is sternocleidomastoid tumor of infancy? A sternocleidomastoid tumor of infancy, also known as fibromatosis colli of infancy, is a rare benign mass in the muscle on the side of the neck. The tumor is usually on the right side, and is firm, measuring a couple centimeters in diameter.

How long does it take for a sternomastoid tumor to grow?

The sternomastoid “tumor” of infancy is a firm, fibrous mass, appearing at two to three weeks of age. It may or may not be associated with torticollis. Generally, the “tumor” initially grows, then stabilizes, and in about half the cases recedes spontaneously after a few months.

Is there a cure for a sternomastoid tumor?

The treatment is controversial. Approximately half of these “tumors” will resolve spontaneously without sequelae. Progressive torticollis or development of facial asymmetry are considered indications for surgery. The purpose of this report is to acquaint the head and neck surgeon with this entity which may confront him for diagnosis and treatment.

What kind of tumor is on the neck of a newborn?

A sternocleidomastoid tumor of infancy, also known as fibromatosis colli of infancy, is a rare benign mass in the muscle on the side of the neck. The tumor is usually on the right side, and is firm, measuring a couple centimeters in diameter. It appears in a newborn,…