Metastatic adenoid cystic carcinoma of kidney masquerading as renal cell carcinoma

Renal Metastases from a Nasal Cavity Mixed Squamous Cell and Adenoid Cystic Carcinoma: A Case Report

“…Renal metastases from ACC are extremely rare and only a few cases have been reported in the literature until now [7][8][9][10][11][12][13][14].…”

“…Renal metastasis is frequently misdiagnosed and can mimic radiologically a primary renal tumor [7][8][9][10][11][12][13][14]24]. It is often asymptomatic and rarely exhibits hematuria as it is usually located in the vascular plexus cortex without any tumor infiltration of the adjacent urothelium [24].…”

Sinonasal adenoid cystic carcinoma with rare renal metastasis on fluorodeoxyglucose positron emission tomography scan: A case report and literature review

“…Kala et al ., after 8-year treatment (surgery and chemoradiotherapy) of the primary salivary gland ACC and occurrence of renal metastasis found on postradical nephrectomy histopathology evaluation for solitary renal mass. [ 6 ] Bacalja et al . reported a similar case of renal metastatic ACC after 14 years of primary lacrimal gland ACC surgery.…”

Adenoid cystic carcinoma of the lacrimal gland metastatic to the kidney: case report and review of the literature

“…21 To our knowledge, in the English-speaking area (PubMed), 10 cases of ACC metastatic to the kidney have been described to date, metastasising from the lacrimal gland, bronchus, lung, parotid gland, breast, salivary gland, palate, oral floor and external auditory canal. 2,3,5,7,8,[22][23][24][25][26] Kidney metastasis usually presents as a solitary tumour mass and chronic pain with or without haematuria. 15,22,23 It can macroscopically mimic RCC as was described by Kala et al In their case, a 35-year-old female patient was treated with right-sided nephrectomy because of a solitary tumour mass of the right kidney.…”