F-18 FDG PET/CT Imaging of a Subcutaneous Scalp Metastasis From Primary Carcinoma of the Thyroid

Niederkohr, Ryan D.; Dadras, Soheil S.; Leavitt, Matthew; McDougall, I. Ross

doi:10.1097/01.rlu.0000252182.07906.8d

Cited by 8 publications

(5 citation statements)

References 8 publications

(7 reference statements)

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“…[4] Bone metastasis H and E, ×200 magnification in exicisional biopsy slices showed thyroid follicular carcinoma forming follicles with uniform small nuclei occurs more often in older patients and multiple-bone metastases are noted more often than a single-bone metastasis. [5] Metastatic tumors to the scalp are usually observed in elderly patients and most often from lung, breast, prostate malignancies, and rarely from thyroid cancers. [6] In this case, the patient who was 49 years old, presented to the hospital with a bulging on the scalp after the operation.…”

Section: Discussionmentioning

confidence: 99%

A rare case of solitary subcutaneous scalp metastasis from follicular thyroid carcinoma revealed with positron emission tomography/computed tomography: A case report and review

et al. 2014

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Differentiated thyroid cancer frequently metastasizes to regional cervical lymph nodes and in advanced cases metastases can be seen in the lungs and skeleton. Metastases to the skin or subcutaneous tissue are rare. Here we present a 49-year-old female patient with solitary scalp metastasis from follicular thyroid carcinoma FTC which was revealed with positron emission tomography (PET)/computed tomography (CT) imaging. PET showed flourodeoxiglucose avid lesion in the left vertex scalp. Scalp lesion was removed totally and histopathological examination revealed well-differentiated thyroid cancer metastasis.

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Section: Discussionmentioning

confidence: 99%

A rare case of solitary subcutaneous scalp metastasis from follicular thyroid carcinoma revealed with positron emission tomography/computed tomography: A case report and review

et al. 2014

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“…[6,10,11] Data relating to the interval between the diagnosis of the primary tumor and scalp metastasis is not available in two cases. [12,13] Scalp lesions occurred 1.3 to 17 years after the diagnosis of PTC in the remaining 9 cases reported.…”

Section: Papillary Carcinomamentioning

confidence: 99%

Scalp metastases from thyroid carcinomas: review of clinical and pathological features

Arslan¹

2014

J Med Updates

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Thyroid carcinoma represents 1% to 1.5% of all cancer cases reported annualy and accounts for 57% of all deaths caused by endocrine malignancies. [1] Well-differentiated thyroid carcinomas including papillary and follicular carcinoma are the most common thyroid malignancies comprising approximately 70% and 10% respectively, of all cases. Scalp as a distinct cutaneous area has a rich dermal vasculature and is a site of various primary and metastatic neoplasms. Different visceral malignancies such as cancers of lung, breast, thyroid, colon, kidney, adrenal glands and larynx can metastasize to scalp. Metastases to scalp from thyroid carcinomas are extremely rare and demonstrate advanced disease and poor prognosis. Such lesions may indicate treatment failure or alternatively they may be the ÖzetBu derlemede literatürde skalp metastaz› yapt›¤› bildirilen tiroid karsinom vakalar› taranarak tan›sal, histopatolojik ve prognostik özellik-leri ile tart›fl›ld›. PubMed ve MedLine servislerinde yay›nlanan tüm tiroid karsinomlar›na ba¤l› skalp metastaz› vakalar› araflt›r›ld› ve hastalar›n yafl ve cinsiyetine, tiroid karsinomunun histolojik tipine, skalp d›fl›nda cilt alanlar›na metastazlar›na ve primer tümörün teflhisiyle metastaz teflhisi aras›ndaki süreye iliflkin verilere ulaflmak için hasta bilgileri incelendi. Literatürde günümüze kadar bildirilen 38 vaka bulundu. Bildirilen vakalarda en s›k görülen histolojik tip foliküler karsinom (%46) idi. Papiller karsinom, medüller karsinom ve anaplastik karsinom vakalar›n›n oranlar› ise s›ras›yla %35, %16 ve %3 olarak bulundu. Özel bir cilt alan› olan skalp zengin bir damar a¤›na ve kanlanmaya sahip olup çeflitli primer veya metastatik tümörlerin oda¤› olabilir. Tiroid karsinomlar›na ba¤l› skalp metastazlar› oldukça nadir olup ilerlemifl hastal›¤a ve kötü prognoza iflaret eder. Düflük metastatik potansiyele sahip gizli bir neoplazm›n ilk belirtisi olarak ç›kabilen bir skalp nodülünün teflhisi oldukça güç olabilir. Tiroid karsinomlar›-n›n histopatolojik özelliklerinin ve cilt metastaz› kal›plar›n›n bilinmesiyle bu gibi lezyonlar›n tan›s›na daha kolay ulafl›labilir.Anahtar sözcükler: Metastaz, skalp, tiroid karsinomu. AbstractThyroid carcinomas reported to metastasize to scalp were reviewed and discussed with histopathological, prognostic and diagnostic aspects. All cases of scalp metastasis from thyroid carcinomas published in PubMed and MedLine were reviewed and the data of all patients were analyzed to obtain information about the patient demographics, histologic type of thyroid carcinoma, additional cutaneous sites, time interval between the diagnosis of the primary tumor and the diagnosis of scalp metastasis. The literature review revealed 38 cases of scalp metastasis from thyroid carcinoma. The most common histologic type was follicular carcinoma (46%), followed by papillary (35%), medullary (16%) and anaplastic carcinomas (3%). Scalp as a distinct cutaneous area has a rich dermal vasculature and is a site of various primary and metastatic neoplasms. Metastases to scalp from ...

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“…[7] There are reports of PET/CT in identifying muscle and scalp metastasis from a papillary thyroid cancer. [89] This is the first case of identifying primary papillary cancer with subcutaneous metastasis in PET/CT. Recognizing and understanding the clinical findings may determine the overall management of the patients.…”

Section: Discussionmentioning

confidence: 99%

Fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography imaging of an isolated subcutaneous loin metastasis from primary papillary carcinoma of the thyroid

et al. 2014

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Differentiated thyroid cancer frequently metastasizes but generally spreads to regional cervical lymph nodes and, in advanced cases, to the lungs and/or skeleton. Metastases to the skin/subcutaneous tissue are rare. We report 45-year-old male patient presented with a loin swelling which on biopsy showed a papillary carcinoma and referred for fluorodeoxyglucose-positron emission tomography/computed tomography (FDG PET/CT) to find out the primary disease. PET/CT showed abnormal FDG uptake within a loin metastasis and right lobe thyroid nodule. Fine-needle aspiration from nodule showed papillary carcinoma. Because thyroid cancer can rarely metastasize to the skin, attention should be given to that region during interpretation of the images. He was advised total thyroidectomy and metastasis excision.

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F-18 FDG PET/CT Imaging of a Subcutaneous Scalp Metastasis From Primary Carcinoma of the Thyroid

Cited by 8 publications

References 8 publications

A rare case of solitary subcutaneous scalp metastasis from follicular thyroid carcinoma revealed with positron emission tomography/computed tomography: A case report and review

A rare case of solitary subcutaneous scalp metastasis from follicular thyroid carcinoma revealed with positron emission tomography/computed tomography: A case report and review

Scalp metastases from thyroid carcinomas: review of clinical and pathological features

Fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography imaging of an isolated subcutaneous loin metastasis from primary papillary carcinoma of the thyroid

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