In-transit metastasis
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In-transit metastasis is a type of metastatic disease, characterized by tumour nodules growing within lymphatics.[1]
It is relatively common in malignant melanoma.[1] It may be seen in a number of tumours, e.g. squamous cell carinoma,[2][3] ecrrine porocarcinoma[4], Merkel cell carcinoma.[5]
General
- May be how a tumour (e.g. melanoma[6]) recurs.
- Poor prognosticator.
Gross
- Often not apparent.
Microscopic
Features:
- Tumour nodule within a lymphatic with or without extension into the surrounding tissue.
DDx:
- Lymph node metastasis - should have lymphoid tissue and capsule.
- Tumour nodules.
See also
References
- ↑ 1.0 1.1 Fraker, DL. (Jun 2004). "Management of in-transit melanoma of the extremity with isolated limb perfusion.". Curr Treat Options Oncol 5 (3): 173-84. PMID 15115646.
- ↑ Kocatürk, E.; Ülkümen, PK.; Kızıltaç, U.; Yüksel, T.; Kunter, AS.; Erhan, SŞ.. "In-transit metastasis from primary cutaneous squamous cell carcinoma in a nonimmunosuppressed patient.". J Cutan Med Surg 19 (2): 167-70. doi:10.2310/7750.2014.14047. PMID 25775628.
- ↑ Altunay, I.; Çerman, AA.; Sakiz, D.; Ates, B. (Aug 2015). "Marjolin's Ulcer Presenting with In-Transit Metastases: A Case Report and Literature Review.". Ann Dermatol 27 (4): 442-5. doi:10.5021/ad.2015.27.4.442. PMID 26273163.
- ↑ Imafuku, K.; Hata, H.; Kitamura, S.; Iwata, H.; Shimizu, H. (Jul 2015). "In-transit metastasis of advanced eccrine porocarcinoma.". Int J Dermatol. doi:10.1111/ijd.12928. PMID 26234455.
- ↑ Gunaratne, DA.; Howle, JR.; Veness, MJ. (Mar 2015). "Merkel cell carcinoma: A case of palliative upper limb amputation in a patient with refractory in-transit metastases.". Australas J Dermatol. doi:10.1111/ajd.12291. PMID 25754425.
- ↑ Grotz, TE.; Mansfield, AS.; Kottschade, LA.; Erickson, LA.; Otley, CC.; Markovic, SN.; Jakub, JW. (Dec 2011). "In-transit melanoma: an individualized approach.". Oncology (Williston Park) 25 (14): 1340-8. PMID 22329185.