• Benign smooth muscle tumors, or leiomyomas, are common, well-circumscribed neoplasms that can arise from smooth muscle cells anywhere in the body, but are encountered most commonly in the uterus [1]. (peertechzpublications.org)
  • OBJECTIVE: Salivary gland tumors (SGT) are a diverse group of uncommon neoplasms that are rare in pediatric patients. (bvsalud.org)
  • [ 2 ] Studies in immunohistochemistry confirm that the tumors are almost totally matured neoplasms of clonal origin. (medscape.com)
  • Peripheral Nerve Sheath Tumors of Head and Neck: Imaging-Based Review of World Health Organization Classification. (beds.ac.uk)
  • Desmoid tumors arise most frequently from the aponeurosis of the rectus abdominal muscle of multiparous women. (wikipedia.org)
  • While most tumors metastatic to the serous membranes are of epithelial origin, cytologists should be aware that non-epithelial neoplasms can also cause malignant effusions including sarcomas, melanomas, germ cell tumors, and, more rarely, brain tumors. (cytojournal.com)
  • Common non-epithelial neoplasms that may cause malignant effusions include malignant melanoma, sarcomas, and other neoplasms including germ cell tumors [ Figure 1 ]. (cytojournal.com)
  • Tumors presented primarily in the subcutaneous tissues of the ventral neck (74% of the myoepitheliomas evaluated) but were observed in several other subcutaneous locations, including the head, perineum, and ventral abdomen. (jax.org)
  • Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms . (lookformedical.com)
  • Metastasis to the skin is extremely rare, accounting for 0.7-2 % of all cutaneous malignant neoplasms, and carries a poor prognosis 1,2 . (hippokratia.gr)
  • Patterns of Lymph Node Metastasis in Parotid Cancer and Implications for Extent of Neck Dissection. (ucsd.edu)
  • Regional metastasis of head and neck cSCC may result in enlarged and palpable submandibular or cervical lymph nodes. (medscape.com)
  • Also, a mass is seen eroding the thyroid cartilage and spreading into the soft tissue of the neck. (medscape.com)
  • Histopathology demonstrated monomorphic fusiform cell neoplasm, in a "swirled" focal arrangement, infiltrative of dermal tissue, compatible with DFSP. (thieme-connect.de)
  • Primary LMSs rarely occur in the oral and maxillofacial region, probably due to paucity of smooth muscle tissue in the area [1,3]. (peertechzpublications.org)
  • Ability of neoplasms to infiltrate and actively destroy surrounding tissue. (lookformedical.com)
  • Abnormal growths of tissue that follow a previous neoplasm but are not metastases of the latter. (lookformedical.com)
  • Some investigators believe that mature striated muscle is unlikely to develop tumorous tissue. (medscape.com)
  • The histopathology of fetal rhabdomyoma reveals the presence of a mixture of spindle-shaped cells with indistinct cytoplasm and muscle fibers, which resemble striated muscle tissue observed in intrauterine development at 7-12 weeks. (medscape.com)
  • At the adhered region, muscle tissue was annexed to the exeresis. (bvsalud.org)
  • The macroscopic aspect showed a specimen measuring 7,0 x 6,5 x 2,4 cm, presenting yellow tissue with lobulated aspect and muscular fibers through it, covered externally at one face by skeletal muscle tissue ( Figure 4 ). (bvsalud.org)
  • Given the range of potential pathology discussed earlier, it should come as little surprise that no single clinical decision rule can be used to inform decisions for soft-tissue neck imaging. (radiologykey.com)
  • Some soft-tissue neck abnormalities are best assessed with neither x-ray nor CT but rather with ultrasound, magnetic resonance imaging (MRI), fluoroscopy, or techniques such as bronchoscopy and esophagoscopy. (radiologykey.com)
  • X-ray relies on differentiation of adjacent structures using four basic tissue densities: air, fat, water (which includes soft tissues, both solid organs such as muscle and fluids such as blood), and bone (sometimes called metal density ). (radiologykey.com)
  • A soft-tissue neck series consists of an anterior-posterior (AP) (A) and a lateral (B) x-ray of the neck. (radiologykey.com)
  • The neoplastic tissue was deeply infiltrating, involving the submucosa and even the underlying muscle. (biomedcentral.com)
  • Soft tissue sarcoma broadly defines cancers that develop in the body's soft tissues (i.e. muscles, tendons, fat, lymph vessels, blood vessels, and nerves). (curesarcoma.org)
  • The intramuscular lipoma is a benign neoplasm of slow growth, composed by mature adipose cells permeated in a skeletal musculature, with invasive characteristics. (bvsalud.org)
  • Ischiorectal fossa: benign and malignant neoplasms of this "ignored" radiological anatomical space. (beds.ac.uk)
  • Immunohistochemistry is used to confirm the diagnosis, RMS being positive for vimentin, desmin, muscle and sarcomeric actin, myoglobin, myogenin and negative for cytokeratin and α-smooth muscle actin. (usamv.ro)
  • The head and neck area harbors 90% of adult rhabdomyomas and should be considered in a differential diagnosis in this region. (medscape.com)
  • Because of this, one should be comfortable using immunohistochemistry or other methods with the diagnosis of these lesions, and to help exclude epithelial or melanocytic neoplasms ( Table 11.1 ). (basicmedicalkey.com)
  • On histopathological analysis, all the classic features were noted and diagnosis of a spindle cell neoplasm was made without any obscurity. (oldcitypublishing.com)
  • Importance is given to the differential diagnosis of this neoplasm with liposarcoma because the similar clinical appearance of both diseases. (bvsalud.org)
  • The differential diagnosis of Horner syndrome in children is different than adults and includes neuroblastoma and other upper chest/lower neck masses, carotid and brainstem lesions, and brachial plexus birth trauma, all of which can damage the sympathetic chain. (chop.edu)
  • Remember that referred pain from other regions of the body may present with neck pain, so a broad differential diagnosis should be entertained in formulating an imaging plan. (radiologykey.com)
  • The clinical differential diagnosis included squamous cell carcinoma, basal cell carcinoma with sebaceous differentiation, and salivary gland neoplasms. (biomedcentral.com)
  • First time primary diagnosis of breast cancer (grades I to IIIA), Neck and shoulder/axillary pain that began after the breast cancer surgery. (who.int)
  • This extraoral enlargement may be confused with parotid salivary gland disease, dental infections, and maxillofacial neoplasms. (wikipedia.org)
  • Pleomorphic adenoma (PA) is the most common salivary gland tumor, accounting for 50%-60% of these neoplasms. (bvsalud.org)
  • Finally, the muscle undergoes spasm with malignant hyperthermia as do other skeletal muscles, but this one is easily noted, since it is on the face. (wikipedia.org)
  • Rhabdomyosarcoma (RMS) is a rare malignant neoplasm arising from skeletal muscle, occurring predominately in young individuals. (usamv.ro)
  • A complete workup followed, consisting of CT scans (face, neck, chest), upper and lower abdomen ultra sound and a skeletal scanning. (peertechzpublications.org)
  • It is a slow-growing, persistent, and locally aggressive neoplasm of epithelial origin. (washington.edu)
  • [ 3 ] A biopsy should be performed for any lesion suspected of being a cutaneous neoplasm. (medscape.com)
  • A biopsy should be performed for any lesion suspected of being a cutaneous neoplasm to rule out basal cell carcinoma and other dermal lesions. (medscape.com)
  • Patients receiving hormonal ablation for prostatic neoplasm and patients with chronic liver, renal disease or receiving corticosteroids were excluded. (endocrine-abstracts.org)
  • Advanced photo tactics are reviewed, having a focus on diffusion-weighted and also dynamic compare image along with their chance to aid characterize gentle muscle growths Hydroxyurea molecular weight and help with unique cancer from civilized malignancies.Neoplasms from the salivary glands are seen as a Oral medicine their designated histologic variety definitely nonspecific imaging findings. (hdac-inhibitors.com)
  • Antisera directed against a smooth muscle actin (anti-alpha-sm-1) stained acinar myoepithelial cells of the glands and vascular smooth muscle but neither ductular myoepithelial cells nor tumor cells. (jax.org)
  • The highest soft muscle resolution offered by magnet resonance photo is very useful in the monitoring associated with cancers with high propensities with regard to intraorbital, intracranial, as well as perineural condition propagate, which in turn normally include these because of the actual sinonasal tooth decay, nasopharynx, orbits, salivary glands, and also the pores and skin. (hdac-inhibitors.com)
  • In a study of the US Medicare population, the treatment of nonmelanoma skin cancers ranked fifth among the most expensive cancers to treat in the head-and-neck region. (medscape.com)
  • Temporal muscle. (bvsalud.org)
  • We report an intramuscular lipoma in the temporal muscle treated surgically, with no signs of recurrence after one decade of follow-up. (bvsalud.org)
  • During the dissection, adhesion to the temporal muscle was observed. (bvsalud.org)
  • This neoplasm is rare at neck and head region, being reported in the trapezius, sternocleidomastoid, tongue, cheek, floor of mouth and temporal muscle 1-6 . (bvsalud.org)
  • Gubbels SP, Hartl RB, Crowson MG, Jenkns HA, Marsh M. Temporal bone neoplasms and lateral cranial base surgery. (medlineplus.gov)
  • Along with the other three muscles of mastication (temporalis, medial pterygoid, and lateral pterygoid), the masseter is innervated by the anterior division of the mandibular division (V3) of the trigeminal nerve. (wikipedia.org)
  • When CN VI is compromised, which controls the retractor bulbi muscle and the lateral rectus muscle, it leads to the occurrence of medial strabismus and the absence of bulbar retraction. (e-jvc.org)
  • This type of sarcoma usually begins in the muscles attached to bones and in the muscles that help the body to move. (curesarcoma.org)
  • This type of sarcoma derives from the smooth muscle of the body wherever it is found, such as the walls of blood vessels, the uterine wall, and other sites. (curesarcoma.org)
  • One challenging feature of head and neck pathology is that a dizzying array of spindle cell lesions occurs here which ranges all the way from reactive, very aggressive forms to malignant lesions. (oldcitypublishing.com)
  • This leaves an array of potentially devastating forms of neck pathology that are poorly assessed with x-ray. (radiologykey.com)
  • Wide local excision of the neoplasm was performed with macroscopically free margins and right selective neck dissection (lymph node levels IV and V). The skin deficit was reconstructed with a right pectoralis major island flap. (hippokratia.gr)
  • Transoral Laser Microsurgery With Neck Dissection Versus Radiotherapy for T2N0 Supraglottic Cancer. (ucsd.edu)
  • Fetal rhabdomyoma occurs most often in the subcutaneous tissues of the head and neck in children between birth and age 3 years. (medscape.com)
  • The fetal rhabdomyoma is usually found in the subcutaneous tissues of the head and neck. (medscape.com)
  • Conclusion: In DM, anti-NXP-2 autoantibodies are associated with subcutaneous edema, calcinosis, and a muscle phenotype characterized by myalgia, proximal and distal weakness, and dysphagia. (johnshopkins.edu)
  • Regardless of the localization, sebaceous malignancies must be considered aggressive neoplasms with potential for regional and distant metastases. (biomedcentral.com)
  • It should be noted that the vast majority of neoplasms of the upper aerodigestive tract are epithelial and that some of these can show a spindle cell phenotype, e.g., spindle cell or sarcomatoid carcinoma and myoepitheliomas. (basicmedicalkey.com)
  • The histopathologic findings displayed a papillary thyroid carcinoma with Hürthle cell predominance and microscopically positive margins at the excised portion of the sternocleidomastoid muscle. (hippokratia.gr)
  • Sebaceous carcinoma (SC) is a rare neoplasm. (biomedcentral.com)
  • It seems that these intraoral sebaceous glands can rarely give rise to a variety of sebaceous neoplasms, such as sebaceous carcinoma [ 7 ]. (biomedcentral.com)
  • We retrospectively reviewed our records to identify head and neck reconstructive flaps that were either purely or predominantly muscular, or those in which a significant component of the graft was muscular. (ajnr.org)
  • Rhabdomyoma is a lesion of striated muscle. (medscape.com)
  • The extra-abdominal form is rare and desmoids of the breast may arise in the mammary gland or may occur as an extension of a lesion arising from the muscles of the chest wall. (wikipedia.org)
  • Horner syndrome reflects a remote process, interfering somewhere along the sympathetic chain that runs from the hypothalamus in the brain, down the cervical spinal cord, across the upper chest, returning up along the anterior neck/carotid plexus, and back to the eye. (chop.edu)
  • Cocaine drops block the reuptake of NE at the sympathetic nerve terminal to the iris dilator muscle, and AC acts as an agonist to the receptors of the iris dilator muscle, which are hypersensitive in Horner syndrome due to denervation. (chop.edu)
  • When a Horner syndrome is confirmed with cocaine or AC and/or is very obvious on exam, an imaging evaluation should include MRI of the head, neck, and upper chest with and without contrast, as well as MRI-angiogram of the neck. (chop.edu)
  • Pancoast syndrome (Pancoast's syndrome) typically results when a malignant neoplasm of the superior sulcus of the lung leads to destructive lesions of the thoracic inlet and involvement of the brachial plexus and cervical sympathetic nerves (stellate ganglion). (medscape.com)
  • Neuroblastoma (9%) and neurologic neoplasms (9%) were the next leading causes. (chop.edu)
  • In case an abdominal neuroblastoma has metastasized to the sympathetic chain, the abdomen, along with the neck and axilla, should be palpated for masses. (chop.edu)
  • 4 Malignant effusions caused by non-epithelial neoplasms are more frequently encountered in children than in adults. (cytojournal.com)
  • It appears in the muscles of the extremities in adults and most commonly in the head and neck regions of children. (ouhsc.edu)
  • This is a neoplasm of adults, often on the skin including the scalp in sun-exposed areas. (curesarcoma.org)
  • Imaging of soft tissues of the neck can be essential in the evaluation of patients with a variety of chief complaints, including neck trauma, ingested or aspirated foreign body, nontraumatic neck pain and swelling, dysphagia and voice change, visible or palpable mass, and central nervous system complaints with possible vascular causes. (radiologykey.com)
  • The second neoplasm may have the same or different histological type and can occur in the same or different organs as the previous neoplasm but in all cases arises from an independent oncogenic event. (lookformedical.com)
  • Embryonal occurs in the head and neck, or the genital or urinary organs. (curesarcoma.org)
  • Sex steroid levels were correlated to BMD measured by DXA, lower limbs muscle strength calculated by isokinetic Biodex dynamometry and body composition assessed by body fat analyzer. (endocrine-abstracts.org)
  • Eleven cases (44%) arose on the trunk, 9 (36%) on the head and neck, and 5 (20%) on the limbs. (lww.com)
  • Imaging of the neck often is performed with imaging of the head or chest, as structures passing through the neck extend into these adjacent body regions. (radiologykey.com)
  • For example, CT and MRI appear to be comparable in efficacy for defining the site and extent of disease in fat and muscle. (medscape.com)
  • Methods which attempt to express in replicable terms the extent of the neoplasm in the patient. (lookformedical.com)
  • This can include problems in the tendons, muscles, ligaments, and other soft tissues surrounding the hip joint, or an issue in the lower back or spine. (novahealthphysio.com)
  • Most cSCCs are located in the head-and-neck region, and extensive excision required in an advanced stage of the disease can cause disfigurement. (medscape.com)
  • Transfer of a neoplasm from its primary site to lymph nodes or to distant parts of the body by way of the lymphatic system. (lookformedical.com)
  • Primary leiomyogenic tumours have been reported in unusual locations where smooth muscle cells are usually absent, such as the sinonasal cavity. (bmj.com)
  • The surgical ablation was followed by radiotherapy in another institution and according to their files the patient received 66 gray (Gy) locally in 33 fragments and 52 Gy in the neck in 26 fragments. (peertechzpublications.org)
  • Because of its invasives characteristics, this neoplasm may be mistaken as a liposarcoma. (bvsalud.org)
  • Patient characteristics, including muscle strength, were compared between those with and without these autoantibodies. (johnshopkins.edu)
  • The study population included 20 myocutaneous free flaps (19 rectus abdominis muscle and one latissimus dorsi free flap), and seven pedicled rotation flaps (five temporalis, one pectoralis major, and one trapezius muscle rotation flaps). (ajnr.org)
  • These signs occur because of impaired innervation of the extraocular muscles by CN III, IV, and VI, as well as disrupted pupillary constriction controlled by the parasympathetic efferent pathway of CN III. (e-jvc.org)
  • Our objective was to study the relationship between sex steroid levels and the changes accompanying aging process, including bone mineral density (BMD), muscle strength and body composition in elderly Egyptian men. (endocrine-abstracts.org)
  • larger OKCs tend to expand bone, but mildly- obvious clinical expansion (which is the case in this patient) should be viewed with suspicion for a neoplasm . (washington.edu)
  • The development of the second neoplasm may or may not be related to the treatment for the previous neoplasm since genetic risk or predisposing factors may actually be the cause. (lookformedical.com)
  • Rhabdomyoma probably represents a genetic variant of striated muscle development. (medscape.com)
  • The finding of pronounced nuclear pleomorphism associated with prominent myxoid matrix in an otherwise leiomyogenic tumour has not been previously reported at this site and must be distinguished from other neoplasms and non-neoplastic processes. (bmj.com)
  • To perform an extraoral examination, stand near the patient and visually inspect and bilaterally palpate the muscle. (wikipedia.org)
  • Place the fingers of each hand over the muscle and ask the patient to clench his or her teeth several times. (wikipedia.org)
  • Two months later the patient admitted urgently in the hospital for an ischaemic necrosis in the lower face and upper neck region present for 15 days (Figure 2). (peertechzpublications.org)
  • Outcomes by time to definitive chemoradiation treatment for patients with muscle-invasive bladder cancer. (ucsd.edu)
  • Hemangiomas of the oral cavity are not common pathologic entities, but, among hemangiomas, the head and the neck are common sites. (medscape.com)
  • The most common causes of rib cage pain are a pulled muscle or bruised ribs. (caballosperalta.es)
  • Ameloblastoma is one of the most common benign neoplasms of odontogenic origin. (washington.edu)