When Infection Masquerades as Metastasis: Tuberculous Spondylodiscitis with Fibrous Dysplasia and Capillary Hemangioma in a Patient with Newly Diagnosed Hepatic Mass.
This case report describes a 70-year-old man with hepatitis B and a hepatic mass initially suspected as metastasis, but histopathology revealed tuberculous spondylodiscitis with coexisting fibrous dysplasia and capillary hemangioma. Despite imaging suggestive of malignancy, microbiological confirmation identified tuberculosis, leading to antitubercular treatment and clinical improvement, highlighting diagnostic challenges in differentiating spinal infections from metastases, especially with benign vertebral lesions present.
Tuberculous spondylodiscitis can closely mimic spinal metastasis, particularly in patients with coexisting malignancy risk factors and atypical imaging findings. We report a diagnostically challenging case of a 70-year-old male with chronic hepatitis B infection who presented with progressive midback pain and was found to have a hypervascular hepatic mass with elevated serum alpha-fetoprotein levels, raising strong suspicion for hepatocellular carcinoma with vertebral metastasis. Magnetic resonance imaging demonstrated destructive D10-D11 spondylodiscitis with posterior element involvement and epidural extension, while contrast-enhanced computed tomography revealed a large enhancing hepatic lesion with washout characteristics suggestive of malignancy. The extensive vertebral involvement and concurrent liver lesion created significant diagnostic uncertainty. Histopathological examination following transpedicular biopsy demonstrated fibrous dysplasia and capillary hemangioma without evidence of malignancy. Subsequent Xpert MTB/RIF assay confirmed Mycobacterium tuberculosis infection. The patient underwent posterior spinal stabilization followed by initiation of antitubercular therapy, with subsequent clinical improvement. This case highlights the potential for diagnostic anchoring toward metastatic disease in patients with concurrent visceral lesions and emphasizes the importance of maintaining suspicion for spinal tuberculosis, particularly in endemic regions. Coexisting benign vertebral lesions such as fibrous dysplasia and capillary hemangioma may further complicate interpretation by mimicking aggressive neoplastic involvement. Histopathological and microbiological confirmation remain essential for establishing the correct diagnosis and guiding management.
- Research Article
18
- 10.3389/fsurg.2016.00005
- Feb 9, 2016
- Frontiers in Surgery
The embryonic-like stem cell origin of infantile hemangioma (IH) and the observed elevated serum levels of alpha-fetoprotein (AFP) in patients with hepatic IH led us to investigate if this tumor was the source of AFP. We measured serial serum levels of AFP in patients with problematic proliferating IH treated with surgical excision or propranolol treatment. We also investigated the expression of AFP in extrahepatic IH samples using immunohistochemical staining, mass spectrometry, NanoString gene expression analysis, and in situ hybridization. Serum levels of AFP normalized following surgical excision or propranolol treatment. Multiple regression analysis for curve fittings revealed a different curve compared to reported normal values in the general populations. AFP was not detected in any of the IH samples examined at either the transcriptional or translational levels. This study demonstrates the association of proliferating IH with elevated serum levels of AFP, which normalized following surgical excision or propranolol treatment. We have shown that IH is not the direct source of AFP. An interaction between the primitive mesoderm-derived IH and the endogenous endodermal tissues, such as the liver, via an intermediary, may explain the elevated serum levels of AFP in infants with extrahepatic IH.
- Research Article
12
- 10.7314/apjcp.2015.16.5.2003
- Mar 18, 2015
- Asian Pacific Journal of Cancer Prevention
Elevated serum alpha-fetoprotein (AFP) levels in adults are considered abnormal. This parameter is used mostly in the diagnosis and follow-up of hepatocellular carcinomas and yolk sac tumors. Among the other rare tumors accompanied with elevated serum AFP levels, gastric cancer is the most common. In this study, we evaluated the follow-up and comparison of the treatment and marker response of patients with metastatic gastric cancer who had elevated serum AFP levels. We performed a retrospective study, including all consecutive patients with advanced gastric cancer, who received systemic chemotherapy with elevated AFP level. Seventeen metastatic gastric cancer patients with elevated AFP levels at the time of diagnosis were evaluated. Fourteen (82.4%) were males and three (17.6%) were females. The primary tumor localization was the gastric body in 8 (76.4%), cardia in 7 (41.2%), and antrum in 2 (11.8%). Hepatic metastasis was observed in 13 (76.4%) at the time of diagnosis. When the relationship of AFP levels and carcinoembryonic antigen (CEA) response of the patients with their radiologic responses was evaluated, it was found that the radiologic response was compatible with AFP response in 16 (94.1%) patients and with CEA response in 12 (70.6%); however, in 5 (29.4%) patients no accordance was observed between radiological and CEA responses. Follow-up of AFP levels in metastatic gastric cancer patients with elevated AFP levels may allow prediction of early treatment response and could be more useful than the CEA marker for follow-up in response evaluation.
- Research Article
115
- 10.1056/nejm199107043250102
- Jul 4, 1991
- New England Journal of Medicine
The finding of an elevated level of maternal serum alpha-fetoprotein during the second trimester of pregnancy may indicate that the fetus has died or is about to die. It is uncertain, however, whether the finding is associated with an increased risk of fetal death later in gestation independent of known causes of elevation, such as the presence of neural-tube defects or multiple gestation. To address this question, we performed a case-control study of 612 women whose pregnancies ended in fetal death and 2501 women who gave birth to live infants, using reports from California vital statistics for 1987. All the women had signleton pregnancies and alpha-fetoprotein screening in the second trimester. Women with elevated levels of serum alpha-fetoprotein in the second trimester of pregnancy had an increased risk of fetal death, and the risk was increased until term. Women with the highest levels of serum alpha-fetoprotein--greater than or equal to 3.0 times the median value--had a very high risk of fetal death (odds ratio, 10.4; 95 percent confidence interval, 4.9 to 22.0) as compared with women who had normal levels of alpha-fetoprotein. Maternal serum alpha-fetoprotein levels that were 2.0 to 2.9 times the median were also associated with an elevated risk of fetal death (odds ratio, 2.4; 95 percent confidence interval, 1.7 to 3.4). Elevated levels of alpha-fetoprotein were especially likely to be associated with fetal death in cases in which maternal hypertension or placental infarction was also present. CONCLUSIONs. An unexplained elevated level of maternal serum alpha-fetoprotein in the second trimester of pregnancy is associated with an increased risk of subsequent fetal death, up to four to five months after alpha-fetoprotein screening.
- Research Article
12
- 10.3390/cancers15041222
- Feb 15, 2023
- Cancers
A recent study from the US showed a decreasing trend in the elevated serum alpha-fetoprotein (AFP) level (i.e., ≥20 ng/mL) in hepatocellular carcinoma (HCC) patients at the time of diagnosis. Furthermore, advanced tumor stage and severe underlying liver disease were associated with elevated AFP levels. We aimed to evaluate this issue in an area endemic for hepatitis B virus (HBV). Between 2011 and 2020, 4031 patients were newly diagnosed with HCC at our institution. After excluding 54 patients with unknown AFP data, the remaining 3977 patients were enrolled in this study. Elevated AFP level was defined as ≥20 ng/mL. Overall, 51.2% of HCC patients had elevated AFP levels; this proportion remained stationary between 2011 and 2020 (51.8% vs. 51.1%). Multivariate analysis showed that female gender (odds ratio (OR) = 1.462; p < 0.001), tumor size per 10 mm increase (OR = 1.155; p < 0.001), multiple tumors (OR = 1.406; p < 0.001), Barcelona Clinic Liver Cancer stages B-D (OR = 1.247; p = 0.019), cirrhosis (OR = 1.288; p = 0.02), total bilirubin > 1.4 mg/dL (OR = 1.218; p = 0.030), and HBV- or hepatitis C virus (HCV)-positive status (OR = 1.720; p < 0.001) were associated with elevated AFP levels. In conclusion, a stationary trend in elevated serum AFP level in HCC patients has been noted in the past 10 years. Advanced tumor stage, severe underlying liver disease, viral etiology, and female gender are associated with elevated AFP levels in HCC patients.
- Research Article
93
- 10.1111/j.1440-1746.2007.04898.x
- Apr 18, 2007
- Journal of Gastroenterology and Hepatology
Elevated serum alpha-fetoprotein (AFP) levels are noted in patients with chronic hepatitis C (CHC) without hepatocellular carcinoma (HCC). The change in AFP levels after treatment with pegylated interferon and ribavirin (Peg-IFN/RBV) combination therapy is still unknown. The aim of this study was to investigate the predictors of elevated serum AFP in patients with CHC, and its change after Peg-IFN/RBV therapy. A total of 123 patients, intended to receive pegylated interferon alfa-2a plus ribavirin therapy, were enrolled. Eighty-three patients had complete treatment and received follow up for and additional 24 weeks. The factors that may affect the elevation of pretreatment AFP and the normalization of post-treatment AFP were determined. The mean AFP level was 18.5 +/- 63.0 ng/mL (range, 1.3-676.0 ng/mL); 41 (33.3%) of the 123 patients had elevated serum AFP (more than 10 ng/mL) at baseline. A multivariate logistic regression analysis disclosed that older age (odds ratio [OR], 1.093; 95% confidence interval [CI], 1.015-1.177; P = 0.018), more advanced METAVIR fibrosis stage (OR, 5.237; 95% CI, 1.244-22.037; P = 0.024), a higher aspartate aminotransferase (AST) level (IU/L) (OR, 1.020; 95% CI, 1.008-1.033; P = 0.001), and lower platelet count (x10(9)/L, OR, 0.985; 95% CI, 0.968-0.994; P = 0.003) were independent determinants of pretreatment AFP elevation. After treatment, 72 of 83 (86.7%) cases were found to have normal post-treatment AFP levels (<10 ng/mL) at the end of follow up (EOF). Post-treatment negativity of the chronic hepatitis C virus (HCV)-RNA (OR, 10.014; 95% CI, 1.000-100.329; P = 0.050) and the post-treatment platelet count (x10(9)/L) (OR, 1.025; 95% CI, 1.001-1.050; P = 0.040) were associated with normal AFP at EOF. AFP progressively decreased with significant differences starting from the 12th week after treatment to the end of treatment, and was lowest at the EOF date for the sustained viral response (SVR) group. On the contrary, the non-SVR group did not have an AFP change during and after treatment. Older age, low platelet count, higher AST levels, and advanced fibrosis predisposed chronic hepatitis C patients without HCC to have elevated serum AFP levels. After Peg-IFN/RBV combination therapy, a higher platelet count and HCV viral eradication were determinants of normal AFP at EOF. Serial AFP levels decreased after treatment, presenting in a time-dependent manner, specifically for the SVR group.
- Research Article
191
- 10.1016/j.jinf.2007.04.002
- Jun 7, 2007
- Journal of Infection
A comparative analysis of tuberculous, brucellar and pyogenic spontaneous spondylodiscitis patients
- Research Article
15
- 10.29828/jfma.200305.0007
- May 1, 2003
- Journal of the Formosan Medical Association
Placental sonolucency and pregnancy outcome in women with elevated second trimester serum alpha-fetoprotein levels.
- Research Article
5
- 10.3109/02841869509127207
- Jan 1, 1995
- Acta Oncologica
Our study aims to make differential diagnosis by immunoelectrophoresis for some common conditions with elevated levels of serum alpha-fetoprotein (AFP). One hundred and nine cases with elevated AFP levels were included in this study: yolk sac tumor (n = 8), hepatocellular carcinoma (n = 26), gastric cancer (n = 12), chronic hepatitis (n = 27) and normal pregnancy (n = 36). Lectin agarose gel electrophoresis, antibody-affinity blotting, and immunoreaction were used to identify the specific patterns of AFP in the respective conditions. The results showed that there were three possible bands: L1, L2 and L3. Yolk sac tumor produced a prominent L2 band and a light L3 band. Hepatocellular carcinoma produced a prominent L1 band and a light L3 band. Gastric cancer produced only an L1 band. Chronic hepatitis had a light L1 band and a pronounced L3 band. In pregnancy, the AFP pattern is similar to that of hepatocellular carcinoma. Immunoelectrophoresis is a useful method facilitating the differentiation of AFP origins.
- Research Article
18
- 10.1111/j.1478-3231.2004.00907.x
- Jun 1, 2004
- Liver international : official journal of the International Association for the Study of the Liver
Hepatocyte proliferation (HP) is an adaptive response to liver injury. The relationships between HP and necroinflammation, fibrosis, and serum alpha-fetoprotein (AFP) levels in chronic hepatitis C virus (HCV) infection, however, are not well understood. Proliferative hepatocytes (Ki-67+) were identified using immunohistochemical staining in formalin-fixed, paraffin-embedded liver tissue from 156 HCV RNA-positive patients with different degrees of liver histopathology. Twenty high-power fields (HPFs) in lobular areas were counted in each specimen. HP increased by 1.22 +/- 0.25 cells/HPF per increase in necroinflammation from grade 0 (median: 0.13; range: [0.1-0.5] cells/HPF) through grade 3 (median: 1.80; range: [0.0-25.2] cells/HPF; P=0.002). HP increased by 0.81 +/- 0.20 cells/HPF per increase in fibrosis from stage 0 (median: 0.33; range: [0.0-1.3] cells/HPF) through stage 3 (median: 1.70; range: [0.0-25.2] cells/HPF) and then decreased in stage 4 (to median: 0.90; range: [0.0-5.3] cells/HPF). HP also increased with advancing age (P=0.03). Among patients with advanced liver disease, HP was no higher in patients with elevated serum AFP levels (median: 1.68; range: [0.1-5.3] cells/HPF) than in those with normal serum AFP levels (median: 1.70; range: [0.0-25.2] cells/HPF; P=0.26). In patients with chronic HCV infection, HP increases with histologic progression of liver disease, but is impaired in cirrhosis. HP was not increased in patients with elevated serum AFP levels.
- Research Article
195
- 10.1002/1097-0142(19800715)46:2<380::aid-cncr2820460228>3.0.co;2-u
- Jul 15, 1980
- Cancer
During the last 6 1/2 years, serum AFP has been determined by radioimmunoassay in 387 patients with germ cell tumors of the gonads and extragonadal sites. The histological appearances of all these neoplasms were carefully reviewed. Highly elevated levels of serum AFP were noted in patients with tumors containing endodermal sinus (yolk sac) tumor elements irrespective of the location of the neoplasm or presence or absence of metastatic disease. There was good correlation between the presence and quantity of endodermal sinus (yolk sac) tumor elements within the primary tumor or its metastases and elevated levels of serum AFP. All patients with tumors composed of pure seminoma or dysgerminoma, and teratoma, had normal serum AFP levels. Slightly elevated levels of serum AFP up to 60 ng/mg (upper limit of normal 20 ng/ml) were noted in a few patients with testicular tumors composed of pure embryonal carcinoma, whereas patients with tumors composed of or containing endodermal sinus (yolk sac) tumor elements had serum AFP levels that could be measured in 100's or 1000's of ng/ml. Serum AFP was elevated only in patients with active disease. Serum AFP was determined in 81 patients with gonadal tumors of non germ cell origin and was normal in all these patients. Serum AFP is a very good tumor marker in patients with germ cell tumors composed of or containing endodermal sinus (yolk sac) tumor, irrespective of their location. Serial serum SFP determinations can be used for diagnostic purposes, for monitoring the results of treatment, and for early detection of metastases and recurrences. Serial serum AFP determination is a useful procedure in all patients with germ cell neoplasms and is highly recommended.
- Research Article
4
- 10.1136/bcr-2023-259538
- Apr 1, 2024
- BMJ Case Reports
We report a young pregnant woman with large midline thoracic mass and markedly elevated serum alpha-fetoprotein (AFP) levels. Initially suspected as a germ cell tumour (GCT) due to age, site,...
- Research Article
35
- 10.1002/1097-0142(19921001)70:7<1838::aid-cncr2820700705>3.0.co;2-g
- Oct 1, 1992
- Cancer
Elevated serum alpha-fetoprotein (AFP) levels, although frequently associated with hepatocellular carcinoma, have also been reported in cases of primary gallbladder carcinoma. The case of a 56-year-old man with a markedly elevated serum AFP level and primary gallbladder carcinoma without detectable hepatic involvement is reported. The patient had right upper quadrant abdominal pain and a palpable right upper quadrant mass. Computerized tomography scan of the abdomen showed a large, subhepatic mass consistent with the gallbladder, and normal liver parenchyma. Liver enzyme levels were normal. Management included cholecystectomy followed by postoperative radiation therapy to the gallbladder bed and portal areas and systemic chemotherapy. At the end of therapy, the AFP level had returned to normal. Gallbladder carcinoma is rarely diagnosed before surgery, which sometimes inhibits operative planning. AFP may be a useful preoperative tumor marker in differentiating the patient with primary gallbladder carcinoma from the patient with gallbladder hydrops.
- Research Article
102
- 10.1097/00004836-200103000-00014
- Mar 1, 2001
- Journal of Clinical Gastroenterology
Elevated serum alpha-fetoprotein (AFP) in patients with chronic hepatitis C is not uncommonly seen, but the pathogenesis of this phenomenon remains unclear. The aims of this study were to assess the prevalence of elevated serum AFP in patients with chronic hepatitis C and to evaluate the clinical, virologic, and histopathologic significance of this phenomenon. One hundred and fifteen Chinese patients with a histologic diagnosis of chronic hepatitis C were enrolled. None had evidence of hepatocellular carcinoma by image study at enrollment and for at least 2 years' follow-up. Of the 115 patients, 33 (29%) had elevated serum AFP (more than 12 ng/mL). There was a significantly lower mean serum albumin (4.0 +/- 0.1 vs. 4.3 +/- 0.1 gm/dL, p <0.001) and higher mean scores for periportal necroinflammation (3.3 +/- 0.3 vs. 2.3 +/- 0.2, p = 0.007) and fibrosis (2.3 +/- 0.2 vs. 1.1 +/- 0.1, p < 0.001) in patients with elevated serum AFP when compared with patients without elevated serum AFP. Patients with elevated serum AFP had significantly more incidences of genotype 1b infection when compared with patients without elevated serum AFP (77% vs. 51%, p = 0.021). Mean serum hepatitis C virus (HCV) RNA titer showed no significant difference between the two groups. Multivariate logistic regression analysis showed that as serum albumin of less than 4.2 gm/dL, a histology fibrotic score of more than 3, and HCV genotype 1b infection were significantly independent predictors associated with elevated serum AFP. In conclusion, elevated serum AFP levels were significantly correlated with lower serum albumin levels, advanced fibrosis/cirrhosis, and genotype 1b infection in patients with chronic hepatitis C.
- Research Article
2
- 10.1200/jco.2006.24.18_suppl.14561
- Jun 20, 2006
- Journal of Clinical Oncology
14561 Background: There is controversy regarding the management of patients with pure testicular seminoma (PTS) and elevated alpha-fetoprotein (AFP) level (Nazeer, Oncol Rep 1998;5:1425). Our objective was to determine the retroperitoneal histology and clinical outcome of patients with pure testicular seminoma and elevated serum AFP level. Methods: Between 1989 and 2004, 15 patients with PTS and elevated AFP level underwent post chemotherapy retroperitoneal lymph node dissection (PC-RPLND) at MSKCC. All diagnoses of PTS were confirmed by a MSKCC uropathologist. Clinical and pathologic data were obtained from our prospective surgical database and subsequently analyzed. Results: The median pretreatment AFP level was 339 ng/ml (interquartile range [IQR]: 42, 1,006). Clinical stage at initial presentation was IIa in 1, IIb in 1, IIc in 9, and III in 4. According to the International Germ Cell Cancer Collaborative Group (IGCCCG) risk classification, 6 patients had good, 6 had intermediate, and 3 had poor risk for disease. The histology at PC-RPLND demonstrated teratoma in 6 patients (40%), fibrosis/necrosis in 6 patients (40%), and viable germ cell tumor in 3 patients (20%; 1 embryonal, 1 yolk sac, and 1 seminoma). Overall, 8 of 15 (53%) had persistent nonseminomatous retroperitoneal histology after chemotherapy. At a median follow-up of 4.2 years (IQR: 2.3, 7.1), 10 patients were alive without disease, 2 were alive with disease, and 3 died of disease. Cancer-specific survival rate was 83% at 5 years (95% confidence interval: 47, 96). Conclusion: Contrary to prior reports (Nazeer, Oncol Rep 1998;5:1425), patients with pure seminoma and an elevated AFP level should be managed as having nonseminomatous germ cell tumor (GCT), including post chemotherapy RPLND because more than half will harbor either teratoma or viable GCT. No significant financial relationships to disclose.
- Supplementary Content
- 10.21037/qims-2026-1-0009
- May 14, 2026
- Quantitative Imaging in Medicine and Surgery
BackgroundPancreatic hepatoid adenocarcinoma (PHAC) is a rare pancreatic malignancy characterized by hepatoid differentiation. It is often associated with elevated serum alpha-fetoprotein (AFP) levels. This scoping review sought to investigate PHAC imaging to improve diagnostic accuracy.MethodsA comprehensive literature search of PubMed, Embase, Web of Science, and the Cochrane Library was conducted to retrieve relevant articles published up to November 20, 2025. The clinicopathological characteristics, imaging features, and outcomes of patients with PHAC were systematically extracted from eligible studies and analyzed. Statistical analyses were conducted using the Kaplan-Meier method to estimate survival and Cox regression models to identify prognostic factors.ResultsA total of 58 patients with PHAC from 54 studies were included in the analysis. PHAC predominantly affected the elderly male patients and often presented with non-specific symptoms or signs of biliary obstruction. Approximately 62.8% of the patients exhibited elevated serum AFP levels, which may serve as a critical biomarker for monitoring postoperative recurrence. Radiologically, these tumors typically originated from the pancreatic body and tail, and appeared as heterogeneous solid masses with a median size of 6 cm. Main pancreatic duct dilation was uncommon. Two primary enhancement patterns were observed: “wash-in/wash-out” and hypovascular patterns. Arterial hypoenhancement was significantly associated with poor histological differentiation (P=0.020) and elevated AFP levels (P=0.001). Metastases occurred in 41.4% of the cases, primarily to the liver (66.7%) and lymph nodes (62.5%). Surgical resection was identified as an independent prognostic factor and was associated with improved survival compared with non-surgical treatment [5-year overall survival (OS) rate: 56.8% vs. 11.1%, P=0.026].ConclusionsPHAC typically presents as a well-defined, heterogeneous solid mass, often accompanied by local invasion. Two major enhancement patterns were observed. Surgical resection was the only independent prognostic factor identified; however, novel therapeutic strategies require validation in larger cohorts.